openEuler 22.03 LTS SP3 update for ffmpeg

1) Integer overflow

EUVDB-ID: #VU83856

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28429

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow within the av_timecode_make_string in libavutil/timecode.c. A local user can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP3

libavdevice: before 4.2.4-14

ffmpeg-libs: before 4.2.4-14

ffmpeg-devel: before 4.2.4-14

ffmpeg-debugsource: before 4.2.4-14

ffmpeg-debuginfo: before 4.2.4-14

ffmpeg: before 4.2.4-14

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:a:openeuler:libavdevice:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-libs:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1833

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.