USN-4305-1: ICU vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

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

History

2020-03-17: Initial vulnerability report published.