Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04

Description

USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression in Ubuntu 16.04 LTS causing a possible memory leak. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information.

CVEs contained in this USN include: CVE-2019-13012

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
  • 456.x versions prior to 456.12
  • 315.x versions prior to 315.81
  • 250.x versions prior to 250.93
  • 170.x versions prior to 170.118
  • 97.x versions prior to 97.143
  • All other stemcells not listed.

Mitigation

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

• The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
  • Upgrade 456.x versions to 456.12
  • Upgrade 315.x versions to 315.81
  • Upgrade 250.x versions to 250.93
  • Upgrade 170.x versions to 170.118
  • Upgrade 97.x versions to 97.143
  • All other stemcells should be upgraded to the latest version available on bosh.io.

References

• USN-4049-3
• CVE-2019-13012