Multiple vulnerabilities in MediaTek chipsets

Published: 2022-08-03 | Updated: 2022-10-19

Risk	High
Patch available	YES
Number of vulnerabilities	25
CVE-ID	CVE-2022-26433 CVE-2022-26445 CVE-2022-26444 CVE-2022-26443 CVE-2022-26442 CVE-2022-26441 CVE-2022-26440 CVE-2022-26439 CVE-2022-26438 CVE-2022-26436 CVE-2022-26435 CVE-2022-26434 CVE-2022-26432 CVE-2022-26437 CVE-2022-26431 CVE-2022-26430 CVE-2022-21788 CVE-2022-26429 CVE-2022-26428 CVE-2022-26427 CVE-2022-26426 CVE-2022-21792 CVE-2022-21791 CVE-2022-21790 CVE-2022-21789
CWE-ID	CWE-843 CWE-787 CWE-125 CWE-390 CWE-284 CWE-362
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #25 is available.
Vulnerable software	MT6833 Mobile applications / Mobile firmware & hardware MT6879 Mobile applications / Mobile firmware & hardware MT6895 Mobile applications / Mobile firmware & hardware MT6983 Mobile applications / Mobile firmware & hardware MT8167 Mobile applications / Mobile firmware & hardware MT8167S Mobile applications / Mobile firmware & hardware MT8168 Mobile applications / Mobile firmware & hardware MT8173 Mobile applications / Mobile firmware & hardware MT8175 Mobile applications / Mobile firmware & hardware MT8185 Mobile applications / Mobile firmware & hardware MT8321 Mobile applications / Mobile firmware & hardware MT8362A Mobile applications / Mobile firmware & hardware MT8365 Mobile applications / Mobile firmware & hardware MT8385 Mobile applications / Mobile firmware & hardware MT8532 Mobile applications / Mobile firmware & hardware MT8666 Mobile applications / Mobile firmware & hardware MT8675 Mobile applications / Mobile firmware & hardware MT8765 Mobile applications / Mobile firmware & hardware MT8766 Mobile applications / Mobile firmware & hardware MT8768 Mobile applications / Mobile firmware & hardware MT8786 Mobile applications / Mobile firmware & hardware MT8788 Mobile applications / Mobile firmware & hardware MT8789 Mobile applications / Mobile firmware & hardware MT8791 Mobile applications / Mobile firmware & hardware MT7603 Mobile applications / Mobile firmware & hardware MT7610 Mobile applications / Mobile firmware & hardware MT7612 Mobile applications / Mobile firmware & hardware MT7613 Mobile applications / Mobile firmware & hardware MT7615 Mobile applications / Mobile firmware & hardware MT7620 Mobile applications / Mobile firmware & hardware MT7622 Mobile applications / Mobile firmware & hardware MT7628 Mobile applications / Mobile firmware & hardware MT7629 Mobile applications / Mobile firmware & hardware MT7915 Mobile applications / Mobile firmware & hardware MT7916 Mobile applications / Mobile firmware & hardware MT7986 Mobile applications / Mobile firmware & hardware MT8981 Mobile applications / Mobile firmware & hardware MT6855 Mobile applications / Mobile firmware & hardware MT2621 Mobile applications / Mobile firmware & hardware MT2625 Mobile applications / Mobile firmware & hardware MT6580 Mobile applications / Mobile firmware & hardware MT6735 Mobile applications / Mobile firmware & hardware MT6739 Mobile applications / Mobile firmware & hardware MT6757 Mobile applications / Mobile firmware & hardware MT6761 Mobile applications / Mobile firmware & hardware MT6762 Mobile applications / Mobile firmware & hardware MT6763 Mobile applications / Mobile firmware & hardware MT6765 Mobile applications / Mobile firmware & hardware MT6768 Mobile applications / Mobile firmware & hardware MT6769 Mobile applications / Mobile firmware & hardware MT6771 Mobile applications / Mobile firmware & hardware MT8163 Mobile applications / Mobile firmware & hardware MT8183 Mobile applications / Mobile firmware & hardware MT8695 Mobile applications / Mobile firmware & hardware MT6985 Mobile applications / Mobile firmware & hardware MT8798 Mobile applications / Mobile firmware & hardware MT6853 Hardware solutions / Firmware MT6873 Hardware solutions / Firmware MT6877 Hardware solutions / Firmware MT6885 Hardware solutions / Firmware MT6893 Hardware solutions / Firmware MT8797 Hardware solutions / Firmware MT6779 Hardware solutions / Firmware MT6781 Hardware solutions / Firmware MT6785 Hardware solutions / Firmware MT6875 Hardware solutions / Firmware MT6883 Hardware solutions / Firmware MT6889 Hardware solutions / Firmware MT6853T Hardware solutions / Firmware MT6891 Hardware solutions / Firmware
Vendor	MediaTek

Security Bulletin

This security bulletin contains information about 25 vulnerabilities.

1) Type Confusion

EUVDB-ID: #VU66050

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26433

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a type confusion error in mailbox. A local application can trigger a type confusion error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8167: All versions

MT8167S: All versions

MT8168: All versions

MT8173: All versions

MT8175: All versions

MT8185: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8532: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU66061

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26445

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Out-of-bounds write

EUVDB-ID: #VU66060

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26444

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds write

EUVDB-ID: #VU66059

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26443

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Out-of-bounds write

EUVDB-ID: #VU66058

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26442

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds write

EUVDB-ID: #VU66057

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26441

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Out-of-bounds write

EUVDB-ID: #VU66056

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26440

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Out-of-bounds write

EUVDB-ID: #VU66055

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26439

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Out-of-bounds write

EUVDB-ID: #VU66054

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26438

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the wifi driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7610: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7620: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7986: All versions

MT8981: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Out-of-bounds read

EUVDB-ID: #VU66053

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26436

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in emi mpu. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6855: All versions

MT6879: All versions

MT6895: All versions

MT6983: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Type Confusion

EUVDB-ID: #VU66052

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26435

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a type confusion error in mailbox. A local application can trigger a type confusion error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8167: All versions

MT8167S: All versions

MT8168: All versions

MT8173: All versions

MT8175: All versions

MT8185: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8532: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Out-of-bounds write

EUVDB-ID: #VU66051

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26434

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within mailbox. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8167: All versions

MT8167S: All versions

MT8168: All versions

MT8173: All versions

MT8175: All versions

MT8185: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8532: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Out-of-bounds write

EUVDB-ID: #VU66049

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26432

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within mailbox. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8532: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Out-of-bounds write

EUVDB-ID: #VU65907

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-26437

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within httpclient from NBIOT SDK. A remote attacker can send specially crafted HTTP response, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT2621: All versions

MT2625: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Out-of-bounds write

EUVDB-ID: #VU66048

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26431

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within mailbox. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8532: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Type Confusion

EUVDB-ID: #VU66047

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26430

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a type confusion error in mailbox. A local application can trigger a type confusion error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8532: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Detection of Error Condition Without Action

EUVDB-ID: #VU66046

Risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21788

CWE-ID: CWE-390 - Detection of error condition without action

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to incorrect error handling in scp. A local application can escalate privileges on the system by using an undefined behavior.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6879: All versions

MT6895: All versions

MT6983: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Improper access control

EUVDB-ID: #VU66045

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26429

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to missing permission check in cta. A local application can write permission usage records of an app and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6735: All versions

MT6739: All versions

MT6757: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8168: All versions

MT8173: All versions

MT8185: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Race condition

EUVDB-ID: #VU66044

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26428

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a race condition within the video codec. A local application can exploit the race and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6761: All versions

MT6765: All versions

MT6771: All versions

MT8163: All versions

MT8167: All versions

MT8173: All versions

MT8183: All versions

MT8362A: All versions

MT8385: All versions

MT8695: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Out-of-bounds write

EUVDB-ID: #VU66043

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26427

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the camera isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6893: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Out-of-bounds write

EUVDB-ID: #VU66042

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26426

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the camera isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6893: All versions

MT8167: All versions

MT8167S: All versions

MT8168: All versions

MT8175: All versions

MT8185: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Out-of-bounds write

EUVDB-ID: #VU66041

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21792

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the camera isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6893: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Out-of-bounds read

EUVDB-ID: #VU66040

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21791

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the camera isp. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6885: All versions

MT6893: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Out-of-bounds read

EUVDB-ID: #VU66039

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21790

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in camera isp. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6893: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Race condition

EUVDB-ID: #VU66038

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-21789

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: Yes

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a race condition within the audio ipi. A local application can exploit the race and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6853: All versions

MT6853T: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8791: All versions

MT8797: All versions

MT8798: All versions

CPE2.3

External links

https://corp.mediatek.com/product-security-bulletin/August-2022

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.