Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04

Description

It was discovered that FFmpeg incorrectly verified empty audio packets or HEVC data. An attacker could possibly use this issue to cause a denial of service via a crafted file. This issue only affected Ubuntu 16.04 LTS, as it was already fixed in Ubuntu 18.04 LTS. For more information see: https://usn.ubuntu.com/usn/usn-3967-1 (CVE-2018-15822, CVE-2019-11338)

It was discovered that FFmpeg incorrectly handled sscanf failures. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-12730)

It was discovered that FFmpeg incorrectly handled certain WEBM files. An attacker could possibly use this issue to obtain sensitive data or other unspecified impact. This issue only affected Ubuntu 20.04 LTS. (CVE-2019-13312)

It was discovered that FFmpeg incorrectly handled certain AVI files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-13390)

It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-17539)

It was discovered that FFmpeg incorrectly handled certain input during decoding of VQA files. An attacker could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-17542)

It was discovered that FFmpeg incorrectly handled certain JPEG files. An attacker could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-12284)

It was discovered that FFmpeg incorrectly handled certain M3U8 files. An attacker could possibly use this issue to obtain sensitive information or other unspecified impact. (CVE-2020-13904)

CVEs contained in this USN include: CVE-2018-15822, CVE-2019-11338, CVE-2019-12730, CVE-2019-13312, CVE-2019-13390, CVE-2019-17539, CVE-2019-17542, CVE-2020-12284, CVE-2020-13904.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.200.0
• CF Deployment
  • All versions prior to v13.9.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs3
  • Upgrade All versions to 0.200.0 or greater
• CF Deployment
  • Upgrade All versions to v13.9.0 or greater

References

• USN Notice
• CVE-2018-15822
• CVE-2019-11338
• CVE-2019-12730
• CVE-2019-13312
• CVE-2019-13390
• CVE-2019-17539
• CVE-2019-17542
• CVE-2020-12284
• CVE-2020-13904

History

2020-08-27: Initial vulnerability report published.