Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 18.04
• Canonical Ubuntu 22.04

Description

USN-5806-1 fixed vulnerabilities in Ruby. This update fixes the problem for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.10. Original advisory details: Hiroshi Tokumaru discovered that Ruby did not properly handle certain user input for applications which generate HTTP responses using cgi gem. An attacker could possibly use this issue to maliciously modify the response a user would receive from a vulnerable application. Update Instructions: Run `sudo pro fix USN-5806-2` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libruby2.5 - 2.5.1-1ubuntu1.13 ruby2.5 - 2.5.1-1ubuntu1.13 ruby2.5-doc - 2.5.1-1ubuntu1.13 ruby2.5-dev - 2.5.1-1ubuntu1.13 No subscription required

CVEs contained in this USN include: CVE-2021-33621

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Isolation Segment
  • 2.11.x versions prior to 2.11.29
  • 2.12.x versions prior to 2.12.19
  • 2.13.x versions prior to 2.13.14
  • 3.0.x versions prior to 3.0.7
• VMware Tanzu Application Service for VMs
  • 2.11.x versions prior to 2.11.35
  • 2.12.x versions prior to 2.12.24
  • 2.13.x versions prior to 2.13.17
  • 3.0.x versions prior to 3.0.7

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
  • 2.11.29
  • 2.12.19
  • 2.13.14
  • 3.0.7
• VMware Tanzu Application Service for VMs
  • 2.11.35
  • 2.12.24
  • 2.13.17
  • 3.0.7

References

• https://ubuntu.com/security/CVE-2021-33621
• https://ubuntu.com/security/notices/USN-5806-2
• https://cloudfoundry.org/blog/usn-5806-2

History

2023-04-13: Initial vulnerability report published.