Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04
• Canonical Ubuntu 22.04

Description

It was discovered that FFmpeg could be made to dereference a null pointer. An attacker could possibly use this to cause a denial of service via application crash. These issues only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-3109, CVE-2022-3341) It was discovered that FFmpeg could be made to access an out-of-bounds frame by the Apple RPZA encoder. An attacker could possibly use this to cause a denial of service via application crash or access sensitive information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.10. (CVE-2022-3964) It was discovered that FFmpeg could be made to access an out-of-bounds frame by the QuickTime encoder. An attacker could possibly use this to cause a denial of service via application crash or access sensitive information. This issue only affected Ubuntu 22.10. (CVE-2022-3965) Update Instructions: Run sudo pro fix USN-5958-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libavresample-dev – 7:2.8.17-0ubuntu0.1+esm5 libswresample-ffmpeg1 – 7:2.8.17-0ubuntu0.1+esm5 libavresample-ffmpeg2 – 7:2.8.17-0ubuntu0.1+esm5 libavcodec-extra – 7:2.8.17-0ubuntu0.1+esm5 libswscale-ffmpeg3 – 7:2.8.17-0ubuntu0.1+esm5 libavcodec-dev – 7:2.8.17-0ubuntu0.1+esm5 libavutil-dev – 7:2.8.17-0ubuntu0.1+esm5 libavfilter-ffmpeg5 – 7:2.8.17-0ubuntu0.1+esm5 libpostproc-ffmpeg53 – 7:2.8.17-0ubuntu0.1+esm5 libavcodec-ffmpeg56 – 7:2.8.17-0ubuntu0.1+esm5 libswscale-dev – 7:2.8.17-0ubuntu0.1+esm5 libavformat-ffmpeg56 – 7:2.8.17-0ubuntu0.1+esm5 libswresample-dev – 7:2.8.17-0ubuntu0.1+esm5 libavdevice-dev – 7:2.8.17-0ubuntu0.1+esm5 libavcodec-ffmpeg-extra56 – 7:2.8.17-0ubuntu0.1+esm5 libavfilter-dev – 7:2.8.17-0ubuntu0.1+esm5 libpostproc-dev – 7:2.8.17-0ubuntu0.1+esm5 libavformat-dev – 7:2.8.17-0ubuntu0.1+esm5 ffmpeg – 7:2.8.17-0ubuntu0.1+esm5 libavutil-ffmpeg54 – 7:2.8.17-0ubuntu0.1+esm5 ffmpeg-doc – 7:2.8.17-0ubuntu0.1+esm5 libav-tools – 7:2.8.17-0ubuntu0.1+esm5 libavdevice-ffmpeg56 – 7:2.8.17-0ubuntu0.1+esm5 Available with Ubuntu Pro: https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2022-3109, CVE-2022-3341, CVE-2022-3964, CVE-2022-3965.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions
• cflinuxfs4
  • All versions
• CF Deployment
  • All versions

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs3
  • There are no fixed versions of this product
• cflinuxfs4
  • There are no fixed versions of this product
• CF Deployment
  • There are no fixed versions of this product

References

• USN Notice
• CVE-2022-3109
• CVE-2022-3341
• CVE-2022-3964
• CVE-2022-3965

History

2023-05-25: Initial vulnerability report published.