USN-6737-1: GNU C Library vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Description

Charles Fol discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. Update Instructions: Run `sudo pro fix USN-6737-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: glibc-doc – 2.31-0ubuntu9.15 glibc-source – 2.31-0ubuntu9.15 libc-bin – 2.31-0ubuntu9.15 libc-dev-bin – 2.31-0ubuntu9.15 libc6 – 2.31-0ubuntu9.15 libc6-amd64 – 2.31-0ubuntu9.15 libc6-armel – 2.31-0ubuntu9.15 libc6-dev – 2.31-0ubuntu9.15 libc6-dev-amd64 – 2.31-0ubuntu9.15 libc6-dev-armel – 2.31-0ubuntu9.15 libc6-dev-i386 – 2.31-0ubuntu9.15 libc6-dev-s390 – 2.31-0ubuntu9.15 libc6-dev-x32 – 2.31-0ubuntu9.15 libc6-i386 – 2.31-0ubuntu9.15 libc6-lse – 2.31-0ubuntu9.15 libc6-pic – 2.31-0ubuntu9.15 libc6-prof – 2.31-0ubuntu9.15 libc6-s390 – 2.31-0ubuntu9.15 libc6-x32 – 2.31-0ubuntu9.15 locales – 2.31-0ubuntu9.15 locales-all – 2.31-0ubuntu9.15 nscd – 2.31-0ubuntu9.15 No subscription required

CVEs contained in this USN include: CVE-2024-2961.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.93.0
• Jammy Stemcells
  • 1.x versions prior to 1.439
  • All other stemcells not listed.
• CF Deployment
  • All versions with Jammy Stemcells prior to 1.439

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 1.93.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.439 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 1.439 or greater

History

2024-05-23: Initial vulnerability report published.