usn-5488-1

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04

Description

Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the c_rehash script. A local attacker could possibly use this issue to execute arbitrary commands when c_rehash is run. Update Instructions: Run sudo ua fix USN-5488-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libssl1.0.0 – 1.0.2n-1ubuntu5.10 libssl1.0-dev – 1.0.2n-1ubuntu5.10 openssl1.0 – 1.0.2n-1ubuntu5.10 No subscription required libssl-dev – 1.1.1-1ubuntu2.1~18.04.19 openssl – 1.1.1-1ubuntu2.1~18.04.19 libssl-doc – 1.1.1-1ubuntu2.1~18.04.19 libssl1.1 – 1.1.1-1ubuntu2.1~18.04.19 No subscription required

CVEs contained in this USN include: CVE-2022-2068.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.91
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.307.0
• CF Deployment
  • All versions prior to 21.4.0, or later versions with Bionic Stemcells prior to 1.91

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 1.91 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.307.0 or greater
• CF Deployment
  • Upgrade all versions to 21.4.0 or greater and upgrade Bionic Stemcells to 1.91 or greater

References

• USN Notice
• CVE-2022-2068

History

2022-07-28: Initial vulnerability report published.