Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04
• Canonical Ubuntu 22.04

Description

It was discovered that LibTIFF could be made to read out of bounds when processing certain malformed image files with the tiffcrop tool. If a user were tricked into opening a specially crafted image file, an attacker could possibly use this issue to cause tiffcrop to crash, resulting in a denial of service. (CVE-2023-0795, CVE-2023-0796, CVE-2023-0797, CVE-2023-0798, CVE-2023-0799) It was discovered that LibTIFF could be made to write out of bounds when processing certain malformed image files with the tiffcrop tool. If a user were tricked into opening a specially crafted image file, an attacker could possibly use this issue to cause tiffcrop to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-0800, CVE-2023-0801, CVE-2023-0802, CVE-2023-0803, CVE-2023-0804) Update Instructions: Run sudo pro fix USN-5923-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libtiff-opengl – 4.0.6-1ubuntu0.8+esm10 libtiffxx5 – 4.0.6-1ubuntu0.8+esm10 libtiff5-dev – 4.0.6-1ubuntu0.8+esm10 libtiff5 – 4.0.6-1ubuntu0.8+esm10 libtiff-tools – 4.0.6-1ubuntu0.8+esm10 libtiff-doc – 4.0.6-1ubuntu0.8+esm10 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2023-0795, CVE-2023-0796, CVE-2023-0797, CVE-2023-0798, CVE-2023-0799, CVE-2023-0800, CVE-2023-0801, CVE-2023-0802, CVE-2023-0803, CVE-2023-0804.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.356.0
• cflinuxfs4
  • All versions prior to 0.72.0
• CF Deployment
  • All versions prior to 27.0.0

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 0.356.0 or greater
• cflinuxfs4
  • Upgrade all versions to 0.72.0 or greater
• CF Deployment
  • Upgrade all versions to 27.0.0 or greater

References

• USN Notice
• CVE-2023-0795
• CVE-2023-0796
• CVE-2023-0797
• CVE-2023-0798
• CVE-2023-0799
• CVE-2023-0800
• CVE-2023-0801
• CVE-2023-0802
• CVE-2023-0803
• CVE-2023-0804

History

2023-03-23: Initial vulnerability report published.