USN-4668-1: python-apt vulnerability | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04

Description

Kevin Backhouse discovered that python-apt incorrectly handled resources. A local attacker could possibly use this issue to cause python-apt to consume resources, leading to a denial of service.

CVEs contained in this USN include: CVE-2020-27351.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Xenial Stemcells
  • 315.x versions prior to 315.204
  • 456.x versions prior to 456.131
  • 621.x versions prior to 621.95
  • All other stemcells not listed.

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• Xenial Stemcells
  • Upgrade 315.x versions to 315.204 or greater
  • Upgrade 456.x versions to 456.131 or greater
  • Upgrade 621.x versions to 621.95 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.

References

• USN Notice
• CVE-2020-27351

History

2021-01-13: Initial vulnerability report published.