All Vulnerability Reports

USN-4966-1: libx11 vulnerability


Severity

Medium

Vendor

VMware Tanzu

Versions Affected
  • Canonical Ubuntu 18.04
Description

It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker could possibly use this issue to trick libx11 into emitting extra X protocol requests.

CVEs contained in this USN include: CVE-2021-31535

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

  • Platform Automation Toolkit
    • 4.0.x versions prior to 4.0.13
    • 4.1.x versions prior to 4.1.13
    • 4.2.x versions prior to 4.2.8
    • 4.3.x versions prior to 4.3.5
  • Isolation Segment
    • 2.7.x versions prior to 2.7.32
    • 2.8.x versions prior to 2.8.27
    • 2.9.x versions prior to 2.9.21
    • 2.10.x versions prior to 2.10.13
    • 2.11.x versions prior to 2.11.2
  • VMware Tanzu Application Service for VMs
    • 2.7.x versions prior to 2.7.33
    • 2.8.x versions prior to 2.8.28
    • 2.9.x versions prior to 2.9.22
    • 2.10.x versions prior to 2.10.14
    • 2.11.x versions prior to 2.11.2
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:

  • Platform Automation Toolkit
    • 4.0.13
    • 4.1.13
    • 4.2.8
    • 4.3.5
  • Isolation Segment
    • 2.7.32
    • 2.8.27
    • 2.9.21
    • 2.10.13
    • 2.11.2
  • VMware Tanzu Application Service for VMs
    • 2.7.33
    • 2.8.28
    • 2.9.22
    • 2.10.14
    • 2.11.2
References
History

2021-09-13: Initial vulnerability report published.