Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 22.04
• Cflinuxfs4

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.

Fixed VMware Products and Versions

• Cfinuxfs4
• 1.97.0 or greater
• Jammy Stemcells
• 1.445 or greater
• Operation Manager
• 3.0.28+LTS-T or greater
• Operations Manager Image
• 3.0.28+LTS-T or greater

References

https://ubuntu.com/security/notices/USN-6768-1

https://www.cloudfoundry.org/blog/usn-6768-1

https://cve.mitre.org/cgi-bin/cvename.cgi?name=usn-6768-1

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24729

History

2024-05-09: Initial vulnerability report published.