All Vulnerability Reports

USN-6166-1: libcap2 vulnerabilities

Severity

Medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 22.04

Description

David Gstir discovered that libcap2 incorrectly handled certain return codes. An attacker could possibly use this issue to cause libcap2 to consume memory, leading to a denial of service. (CVE-2023-2602) Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this issue to cause libcap2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-2603) Update Instructions: Run `sudo pro fix USN-6166-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libcap2 - 1:2.32-1ubuntu0.1 libcap2-bin - 1:2.32-1ubuntu0.1 libpam-cap - 1:2.32-1ubuntu0.1 libcap-dev - 1:2.32-1ubuntu0.1 No subscription required

CVEs contained in this USN include: CVE-2023-2602, CVE-2023-2603

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Platform Automation Toolkit
  • Only unsupported release lines of this product are affected

• Isolation Segment
  • 3.0.x versions prior to 3.0.14, or later versions with Jammy Stemcells prior to 1.147
  • 4.0.x versions prior to 4.0.5, or later versions with Jammy Stemcells prior to 1.147

• Operations Manager
  • 3.0.x versions prior to 3.0.12+LTS-T

• VMware Tanzu Application Service for VMs
  • 3.0.x versions prior to 3.0.14, or later versions with Jammy Stemcells prior to 1.147
  • 4.0.x versions prior to 4.0.5, or later versions with Jammy Stemcells prior to 1.147

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
  • 4.4.1
  • 5.0.0
  • 5.1.0

• Isolation Segment
  • 3.0.14, and upgrade Jammy Stemcells to 1.147 or greater
  • 4.0.5, and upgrade Jammy Stemcells to 1.147 or greater

• Operations Manager
  • 3.0.12+LTS-T

• VMware Tanzu Application Service for VMs
  • 3.0.14, and upgrade Jammy Stemcells to 1.147 or greater
  • 4.0.5, and upgrade Jammy Stemcells to 1.147 or greater

References

• https://ubuntu.com/security/CVE-2023-2602
• https://ubuntu.com/security/CVE-2023-2603
• https://ubuntu.com/security/notices/USN-6166-1
• https://cloudfoundry.org/blog/usn-6166-1

History

2023-08-02: Initial vulnerability report published.