Vulnerability identifier: #VU66052
Vulnerability 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
Exploitation vector: Local
Exploit availability: No
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
MT6853
Hardware solutions /
Firmware
MT6873
Hardware solutions /
Firmware
MT6877
Hardware solutions /
Firmware
MT6885
Hardware solutions /
Firmware
MT6893
Hardware solutions /
Firmware
MT8797
Hardware solutions /
Firmware
Vendor: MediaTek
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
External links
https://corp.mediatek.com/product-security-bulletin/August-2022
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.