USN-6697-1: Bash vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Description

It was discovered that Bash incorrectly handled certain memory operations when processing commands. If a user or automated system were tricked into running a specially crafted bash file, a remote attacker could use this issue to cause Bash to crash, resulting in a denial of service, or possibly execute arbitrary code. Update Instructions: Run `sudo pro fix USN-6697-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: bash – 5.1-6ubuntu1.1 bash-builtins – 5.1-6ubuntu1.1 bash-doc – 5.1-6ubuntu1.1 bash-static – 5.1-6ubuntu1.1 No subscription required

CVEs contained in this USN include: CVE-2022-3715.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.83.0
• Jammy Stemcells
  • 1.x versions prior to 1.423
  • All other stemcells not listed.
• CF Deployment
  • All versions with Jammy Stemcells prior to 1.423

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs4
  • Upgrade all versions to 1.83.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.423 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • For all versions, upgrade Jammy Stemcells to 1.423 or greater

History

2024-05-02: Initial vulnerability report published.