USN-6768-1: GLib vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Description

Alicia Boya García discovered that GLib incorrectly handled signal subscriptions. A local attacker could use this issue to spoof D-Bus signals resulting in a variety of impacts including possible privilege escalation. Update Instructions: Run `sudo pro fix USN-6768-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libglib2.0-0 – 2.64.6-1~ubuntu20.04.7 libglib2.0-bin – 2.64.6-1~ubuntu20.04.7 libglib2.0-data – 2.64.6-1~ubuntu20.04.7 libglib2.0-dev – 2.64.6-1~ubuntu20.04.7 libglib2.0-dev-bin – 2.64.6-1~ubuntu20.04.7 libglib2.0-doc – 2.64.6-1~ubuntu20.04.7 libglib2.0-tests – 2.64.6-1~ubuntu20.04.7 No subscription required

CVEs contained in this USN include: CVE-2024-34397.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.97.0
• Jammy Stemcells
  • 1.x versions prior to 1.445
  • All other stemcells not listed.
• CF Deployment
  • All versions with Jammy Stemcells prior to 1.445

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 1.97.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.445 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 1.445 or greater

History

2024-05-30: Initial vulnerability report published.