Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 14.04
• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

André Bargull discovered that ICU incorrectly handled certain strings. An attacker could possibly use this issue to execute arbitrary code.

CVEs contained in this USN include: CVE-2020-10531.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.171.0
• Xenial Stemcells
  • 97.x versions prior to 97.239
  • 170.x versions prior to 170.210
  • 250.x versions prior to 250.189
  • 315.x versions prior to 315.175
  • 456.x versions prior to 456.104
  • 621.x versions prior to 621.64
  • All other stemcells not listed.
• CF Deployment
  • All versions prior to v12.37.0

Mitigation

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

• cflinuxfs3
  • Upgrade All versions to 0.171.0 or greater
• Xenial Stemcells
  • Upgrade 97.x versions to 97.239 or greater
  • Upgrade 170.x versions to 170.210 or greater
  • Upgrade 250.x versions to 250.189 or greater
  • Upgrade 315.x versions to 315.175 or greater
  • Upgrade 456.x versions to 456.104 or greater
  • Upgrade 621.x versions to 621.64 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • Upgrade All versions to v12.37.0 or greater

References

• USN Notice
• CVE-2020-10531

History

2020-03-17: Initial vulnerability report published.