USN-6055-1: Ruby vulnerabilities

24077

29 June 2023

29 June 2023

CLOSED

MEDIUM

CVE-2023-28755,CVE-2023-28756

Severity

medium

Vendor

VMware Tanzu

Versions Affected

  • Canonical Ubuntu 18.04

Description

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-28755) It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. This issue is being addressed only for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2023-28756) Update Instructions: Run `sudo pro fix USN-6055-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libruby2.3 - 2.3.1-2~ubuntu16.04.16+esm5 ruby2.3 - 2.3.1-2~ubuntu16.04.16+esm5 ruby2.3-dev - 2.3.1-2~ubuntu16.04.16+esm5 ruby2.3-doc - 2.3.1-2~ubuntu16.04.16+esm5 ruby2.3-tcltk - 2.3.1-2~ubuntu16.04.16+esm5 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2023-28755, CVE-2023-28756

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

  • Isolation Segment
    • 2.11.x versions prior to 2.11.33
    • 2.13.x versions prior to 2.13.18
    • 3.0.x versions prior to 3.0.11
    • 4.0.x versions prior to 4.0.2
  • VMware Tanzu Application Service for VMs
    • 2.11.x versions prior to 2.11.39
    • 2.13.x versions prior to 2.13.21
    • 3.0.x versions prior to 3.0.11
    • 4.0.x versions prior to 4.0.2

Mitigation

Users of affected products are strongly encouraged to follow the mitigation below. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:
  • Isolation Segment
    • 2.11.33
    • 2.13.18
    • 3.0.11
    • 4.0.2
  • VMware Tanzu Application Service for VMs
    • 2.11.39
    • 2.13.21
    • 3.0.11
    • 4.0.2

References

History

2023-06-29: Initial vulnerability report published.