SB2023010231 - Denial of service in FFmpeg

Description

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2022-3109)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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 vp3_decode_frame() function in libavcodec/vp3.c in FFmpeg. A remote attacker can perform a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2022-3341)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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.

Remediation

Install update from vendor's website.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2153551
• https://github.com/FFmpeg/FFmpeg/commit/656cb0450aeb73b25d7d26980af342b37ac4c568
• https://bugzilla.redhat.com/show_bug.cgi?id=2157054
• https://github.com/FFmpeg/FFmpeg/commit/9cf652cef49d74afe3d454f27d49eb1a1394951e