USN-5548-1: libxml2 vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Description

It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to execute arbitrary code. Update Instructions: Run `sudo ua fix USN-5548-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libxml2 – 2.9.3+dfsg1-1ubuntu0.7+esm3 libxml2-dev – 2.9.3+dfsg1-1ubuntu0.7+esm3 python-libxml2 – 2.9.3+dfsg1-1ubuntu0.7+esm3 libxml2-doc – 2.9.3+dfsg1-1ubuntu0.7+esm3 libxml2-utils – 2.9.3+dfsg1-1ubuntu0.7+esm3 Available with UA Infra or UA Desktop: https://ubuntu.com/advantage

CVEs contained in this USN include: CVE-2016-3709.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.97
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.314.0
• CF Deployment
  • All versions

Mitigation

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

The Cloud Foundry project recommends upgrading the following releases:

• Bionic Stemcells
  • Upgrade 1.x versions to 1.97 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.314.0 or greater
• CF Deployment
  • There are no fixed versions of this product

History

2022-08-25: Initial vulnerability report published.