Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

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

References

• USN Notice
• CVE-2016-3709

History

2022-08-25: Initial vulnerability report published.