USN-6119-1: OpenSSL vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Description

Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service. (CVE-2023-2650) Anton Romanov discovered that OpenSSL incorrectly handled AES-XTS cipher decryption on 64-bit ARM platforms. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-1255) Update Instructions: Run `sudo pro fix USN-6119-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libssl1.0.0 – 1.0.2n-1ubuntu5.13 libssl1.0-dev – 1.0.2n-1ubuntu5.13 openssl1.0 – 1.0.2n-1ubuntu5.13 No subscription required libssl-dev – 1.1.1-1ubuntu2.1~18.04.23 openssl – 1.1.1-1ubuntu2.1~18.04.23 libssl-doc – 1.1.1-1ubuntu2.1~18.04.23 libssl1.1 – 1.1.1-1ubuntu2.1~18.04.23 No subscription required

CVEs contained in this USN include: CVE-2023-1255, CVE-2023-2650.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.204
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.369.0
• cflinuxfs4
  • All versions prior to 1.13.0
• Jammy Stemcells
  • 1.x versions prior to 1.125
  • All other stemcells not listed.
• CF Deployment
  • All versions prior to 30.0.0, or later versions with Jammy Stemcells prior to 1.125 or Bionic Stemcells prior to 1.204

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 1.204 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.369.0 or greater
• cflinuxfs4
  • Upgrade all versions to 1.13.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.125 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • Upgrade all versions to 30.0.0 or greater, upgrade Jammy Stemcells to 1.125 or greater, and upgrade Bionic Stemcells to 1.204 or greater

History

2023-06-29: Initial vulnerability report published.