USN-6838-1: Ruby vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Description

It was discovered that Ruby RDoc incorrectly parsed certain YAML files. If a user or automated system were tricked into parsing a specially crafted .rdoc_options file, a remote attacker could possibly use this issue to execute arbitrary code. (CVE-2024-27281) It was discovered that the Ruby regex compiler incorrectly handled certain memory operations. A remote attacker could possibly use this issue to obtain sensitive memory contents. (CVE-2024-27282) Update Instructions: Run `sudo pro fix USN-6838-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libruby2.7 – 2.7.0-5ubuntu1.13 ruby2.7 – 2.7.0-5ubuntu1.13 ruby2.7-dev – 2.7.0-5ubuntu1.13 ruby2.7-doc – 2.7.0-5ubuntu1.13 No subscription required

CVEs contained in this USN include: CVE-2024-27281, CVE-2024-27282.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.0.0
• CF Deployment
  • All versions prior to 1.9.0

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 1.0.0 or greater
• CF Deployment
  • Upgrade all versions to 1.9.0 or greater

History

2024-07-25: Initial vulnerability report published.