Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 22.04

Description

It was discovered that Expat could be made to consume large amounts of resources. If a user or automated system were tricked into processing specially crafted input, an attacker could possibly use this issue to cause a denial of service. (CVE-2023-52425, CVE-2024-28757) Update Instructions: Run sudo pro fix USN-6694-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: expat – 2.4.7-1ubuntu0.3 libexpat1 – 2.4.7-1ubuntu0.3 libexpat1-dev – 2.4.7-1ubuntu0.3 No subscription required

CVEs contained in this USN include: CVE-2023-52425, CVE-2024-28757.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.82.0
• Jammy Stemcells
  • 1.x versions prior to 1.406
  • All other stemcells not listed.
• CF Deployment
  • All versions with Jammy Stemcells prior to 1.406

Mitigation

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

The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs4
  • Upgrade all versions to 1.82.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.406 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • For all versions, upgrade Jammy Stemcells to 1.406 or greater

References

• USN Notice
• CVE-2023-52425
• CVE-2024-28757

History

2024-04-04: Initial vulnerability report published.