Integer overflow in FFmpeg - CVE-2021-38094

Vulnerability identifier: #VU70600

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-38094

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to integer overflow within the filter_sobel() function in libavfilter/vf_convolution.c in Ffmpeg. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

FFmpeg
SUSE CaaS Platform
SUSE Enterprise Storage
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Packagehub Subpackages
ffmpeg
libavformat57-debuginfo
libavformat57
libavcodec57-debuginfo
libavcodec57
libavfilter6-debuginfo
libavfilter6
libavdevice57-debuginfo
libavdevice57
libavresample3-32bit-debuginfo
libavresample3-debuginfo
libavresample3
libavresample-devel
libavformat-devel
libavcodec-devel
ffmpeg-debugsource
ffmpeg-debuginfo
libavutil55
libavresample3-32bit
libavresample3-64bit-debuginfo
libavresample3-64bit
libswscale4-debuginfo
libswscale4
libswscale-devel
libswresample2-debuginfo
libswresample2
libswresample-devel
libpostproc54-debuginfo
libpostproc54
libpostproc-devel
libavutil55-debuginfo
libavutil-devel
libavutil55-32bit
libswscale4-32bit-debuginfo
libswscale4-32bit
libswresample2-32bit-debuginfo
libswresample2-32bit
libpostproc54-32bit-debuginfo
libpostproc54-32bit
libavutil55-32bit-debuginfo
libavfilter-devel
libavdevice-devel
libavcodec57-32bit
libavformat57-32bit-debuginfo
libavformat57-32bit
libavfilter6-32bit-debuginfo
libavfilter6-32bit
libavdevice57-32bit-debuginfo
libavdevice57-32bit
libavcodec57-32bit-debuginfo

Install updates from vendor's website.

FFmpeg - update to 4.2.2
ffmpeg - update to 3.4.2-11.17.1
libavformat57-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavformat57 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavcodec57-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavcodec57 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavfilter6-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavfilter6 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavdevice57-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavdevice57 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavresample3-32bit-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavresample3-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavresample3 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavresample-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavformat-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavcodec-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
ffmpeg-debugsource - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
ffmpeg-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavutil55 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavresample3-32bit - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavresample3-64bit-debuginfo - update to 3.4.2-11.17.1
libavresample3-64bit - update to 3.4.2-11.17.1
libswscale4-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libswscale4 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libswscale-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libswresample2-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libswresample2 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libswresample-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libpostproc54-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libpostproc54 - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libpostproc-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavutil55-debuginfo - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavutil-devel - addressed in versions 3.4.2-11.17.1, 3.4.2-150000.4.44.1
libavutil55-32bit - update to 3.4.2-150000.4.44.1
libswscale4-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libswscale4-32bit - update to 3.4.2-150000.4.44.1
libswresample2-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libswresample2-32bit - update to 3.4.2-150000.4.44.1
libpostproc54-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libpostproc54-32bit - update to 3.4.2-150000.4.44.1
libavutil55-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavfilter-devel - update to 3.4.2-150000.4.44.1
libavdevice-devel - update to 3.4.2-150000.4.44.1
libavcodec57-32bit - update to 3.4.2-150000.4.44.1
libavformat57-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavformat57-32bit - update to 3.4.2-150000.4.44.1
libavfilter6-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavfilter6-32bit - update to 3.4.2-150000.4.44.1
libavdevice57-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavdevice57-32bit - update to 3.4.2-150000.4.44.1
libavcodec57-32bit-debuginfo - update to 3.4.2-150000.4.44.1

• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23
• https://trac.ffmpeg.org/ticket/8263

• Multiple vulnerabilities in FFmpeg
• SUSE update for ffmpeg
• SUSE update for ffmpeg