openEuler 20.03 LTS SP4 update for ffmpeg

1) NULL pointer dereference

EUVDB-ID: #VU71645

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3341

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the decode_main_header() function in libavformat/nutdec.c A remote attacker can trick the victim to open a specially crafted file and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

ffmpeg-debugsource: before 4.2.4-7

ffmpeg-debuginfo: before 4.2.4-7

ffmpeg-libs: before 4.2.4-7

ffmpeg-devel: before 4.2.4-7

libavdevice: before 4.2.4-7

ffmpeg: before 4.2.4-7

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
• cpe:2.3:a:openeuler:ffmpeg-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-libs:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libavdevice:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ffmpeg:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1759

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.