USN-4256-1: Cyrus SASL vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Description

It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

CVEs contained in this USN include: CVE-2019-19906.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Xenial Stemcells
  • 621.x versions prior to 621.55
  • 456.x versions prior to 456.96
  • 315.x versions prior to 315.167
  • 250.x versions prior to 250.181
  • 170.x versions prior to 170.201
  • 97.x versions prior to 97.230
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.160.0
• CF Deployment
  • All versions prior to v12.29.0

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 621.x versions to 621.55 or greater
  • Upgrade 456.x versions to 456.96 or greater
  • Upgrade 315.x versions to 315.167 or greater
  • Upgrade 250.x versions to 250.181 or greater
  • Upgrade 170.x versions to 170.201 or greater
  • Upgrade 97.x versions to 97.230 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.160.0 or greater
• CF Deployment
  • Upgrade all versions to v12.29.0 or greater

History

2020-01-28: Initial vulnerability report published.