USN-6005-1: Sudo vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04
• Canonical Ubuntu 22.04

Description

Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly escaped control characters in log messages and sudoreplay output. An attacker could possibly use these issues to inject terminal control characters that alter output when being viewed. Update Instructions: Run sudo pro fix USN-6005-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: sudo-ldap – 1.8.21p2-3ubuntu1.6 sudo – 1.8.21p2-3ubuntu1.6 No subscription required

CVEs contained in this USN include: CVE-2023-28486, CVE-2023-28487.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.192
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.361.0
• cflinuxfs4
  • All versions prior to 1.5.0
• Jammy Stemcells
  • 1.x versions prior to 1.102
  • All other stemcells not listed.
• CF Deployment
  • All versions prior to 27.6.0, or later versions with Jammy Stemcells prior to 1.102 or Bionic Stemcells prior to 1.192

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 1.192 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.361.0 or greater
• cflinuxfs4
  • Upgrade all versions to 1.5.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.102 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • Upgrade all versions to 27.6.0 or greater, upgrade Jammy Stemcells to 1.102 or greater, and upgrade Bionic Stemcells to 1.192 or greater

References

• USN Notice
• CVE-2023-28486
• CVE-2023-28487

History

2023-04-24: Initial vulnerability report published.