Gentoo update for Adobe Flash Player



Risk High
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2018-4944
CVE-2018-4945
CVE-2018-5000
CVE-2018-5001
CVE-2018-5002
CWE-ID CWE-843
CWE-190
CWE-125
CWE-121
Exploitation vector Network
Public exploit Vulnerability #5 is being exploited in the wild.
Vulnerable software
 Gentoo Linux
Operating systems & Components / Operating system

Vendor Gentoo

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Type confusion

EUVDB-ID: #VU12446

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-2018-4944

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to type confusion error when processing .swf content. A remote unauthenticated attacker can create a specially crafted .swf file, trick the victim into opening it by visiting a malicious web page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages.
www-plugins/adobe-flash to version: 30.0.0.113

Vulnerable software versions

Gentoo Linux: All versions

CPE2.3 External links

https://security.gentoo.org/glsa/201806-02


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.

2) Type confusion

EUVDB-ID: #VU13226

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-2018-4945

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise target system.

The vulnerability exists due to a type confusion error when processing .swf files. A remote attacker can create a specially crafted .swf file, trick the victim into opening it and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow the attacker to compromise vulnerable system.

Mitigation

Update the affected packages.
www-plugins/adobe-flash to version: 30.0.0.113

Vulnerable software versions

Gentoo Linux: All versions

CPE2.3 External links

https://security.gentoo.org/glsa/201806-02


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.

3) Integer overflow

EUVDB-ID: #VU13228

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5000

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an integer overflow when processing .swf files. A remote attacker can create a specially crafted .swf file, trick the victim into opening it and gain access to sensitive information.



Mitigation

Update the affected packages.
www-plugins/adobe-flash to version: 30.0.0.113

Vulnerable software versions

Gentoo Linux: All versions

CPE2.3 External links

https://security.gentoo.org/glsa/201806-02


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.

4) Out-of-bounds read

EUVDB-ID: #VU13229

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5001

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an out-of-bounds read when processing .swf files. A remote attacker can create a specially crafted .swf file, trick the victim into opening it and gain access to sensitive information.



Mitigation

Update the affected packages.
www-plugins/adobe-flash to version: 30.0.0.113

Vulnerable software versions

Gentoo Linux: All versions

CPE2.3 External links

https://security.gentoo.org/glsa/201806-02


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.

5) Stack-based buffer overflow

EUVDB-ID: #VU13230

Risk: Critical

CVSSv4.0: 8.6 [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:A/U:Red]

CVE-ID: CVE-2018-5002

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise target system.

The vulnerability exists due to a stack-based buffer overflow when processing .swf files. A remote attacker can create a specially crafted .swf file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow the attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited in the wild.


Mitigation

Update the affected packages.
www-plugins/adobe-flash to version: 30.0.0.113

Vulnerable software versions

Gentoo Linux: All versions

CPE2.3 External links

https://security.gentoo.org/glsa/201806-02


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?

Yes. This vulnerability is being exploited in the wild.



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