Buffer overflow in FFmpeg - CVE-2020-22028

Vulnerability identifier: #VU70608

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2020-22028

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error within the ilter_vertically_8() function in libavfilter/vf_avgblur.c in FFmpeg. A remote attacker can trigger memory corruption and crash the application.

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

Install updates from vendor's website.

FFmpeg - update to 4.2.1
libavformat57-32bit - update to 3.4.2-150000.4.44.1
libswresample2 - update to 3.4.2-150000.4.44.1
libswresample2-debuginfo - update to 3.4.2-150000.4.44.1
libswscale-devel - update to 3.4.2-150000.4.44.1
libswscale4 - update to 3.4.2-150000.4.44.1
libswscale4-debuginfo - update to 3.4.2-150000.4.44.1
libavcodec57-32bit - update to 3.4.2-150000.4.44.1
libavcodec57-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavdevice57-32bit - update to 3.4.2-150000.4.44.1
libavdevice57-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavfilter6-32bit - update to 3.4.2-150000.4.44.1
libavfilter6-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libswresample-devel - update to 3.4.2-150000.4.44.1
libavformat57-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavresample3-32bit - update to 3.4.2-150000.4.44.1
libavresample3-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavutil55-32bit - update to 3.4.2-150000.4.44.1
libavutil55-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libpostproc54-32bit - update to 3.4.2-150000.4.44.1
libpostproc54-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libswresample2-32bit - update to 3.4.2-150000.4.44.1
libswresample2-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libswscale4-32bit - update to 3.4.2-150000.4.44.1
libswscale4-32bit-debuginfo - update to 3.4.2-150000.4.44.1
libavformat57 - update to 3.4.2-150000.4.44.1
ffmpeg-debugsource - update to 3.4.2-150000.4.44.1
libavcodec-devel - update to 3.4.2-150000.4.44.1
libavcodec57 - update to 3.4.2-150000.4.44.1
libavcodec57-debuginfo - update to 3.4.2-150000.4.44.1
libavdevice-devel - update to 3.4.2-150000.4.44.1
libavdevice57 - update to 3.4.2-150000.4.44.1
libavdevice57-debuginfo - update to 3.4.2-150000.4.44.1
libavfilter-devel - update to 3.4.2-150000.4.44.1
libavfilter6 - update to 3.4.2-150000.4.44.1
libavfilter6-debuginfo - update to 3.4.2-150000.4.44.1
libavformat-devel - update to 3.4.2-150000.4.44.1
ffmpeg-debuginfo - update to 3.4.2-150000.4.44.1
libavformat57-debuginfo - update to 3.4.2-150000.4.44.1
libavresample-devel - update to 3.4.2-150000.4.44.1
libavresample3 - update to 3.4.2-150000.4.44.1
libavresample3-debuginfo - update to 3.4.2-150000.4.44.1
libavutil-devel - update to 3.4.2-150000.4.44.1
libavutil55 - update to 3.4.2-150000.4.44.1
libavutil55-debuginfo - update to 3.4.2-150000.4.44.1
libpostproc-devel - update to 3.4.2-150000.4.44.1
libpostproc54 - update to 3.4.2-150000.4.44.1
libpostproc54-debuginfo - update to 3.4.2-150000.4.44.1

• https://trac.ffmpeg.org/ticket/8274

• Multiple vulnerabilities in FFmpeg
• SUSE update for ffmpeg