Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Original advisory details: 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-6166-2` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libcap2 - 1:2.24-12ubuntu0.1~esm1 libcap2-bin - 1:2.24-12ubuntu0.1~esm1 libpam-cap - 1:2.24-12ubuntu0.1~esm1 libcap-dev - 1:2.24-12ubuntu0.1~esm1 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

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

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Isolation Segment
  • 2.11.x versions prior to 2.11.36, or later versions with Xenial Stemcells prior to 621.584
  • 2.13.x versions prior to 2.13.21, or later versions with Xenial Stemcells prior to 621.584
  • 3.0.x versions prior to 3.0.14
  • 4.0.x versions prior to 4.0.5
• Operations Manager
  • 2.10.x versions prior to 2.10.59
• VMware Tanzu Application Service for VMs
  • 2.11.x versions prior to 2.11.42, or later versions with Xenial Stemcells prior to 621.584
  • 2.13.x versions prior to 2.13.24, or later versions with Xenial Stemcells prior to 621.584
  • 3.0.x versions prior to 3.0.14
  • 4.0.x versions prior to 4.0.5

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
  • 2.11.36, and upgrade Xenial Stemcells to 621.584 or greater
  • 2.13.21, and upgrade Xenial Stemcells to 621.584 or greater
  • 3.0.14
  • 4.0.5
• Operations Manager
  • 2.10.59
• VMware Tanzu Application Service for VMs
  • 2.11.42, and upgrade Xenial Stemcells to 621.584 or greater
  • 2.13.24, and upgrade Xenial Stemcells to 621.584 or greater
  • 3.0.14
  • 4.0.5

References

• https://ubuntu.com/security/CVE-2023-2603
• https://ubuntu.com/security/notices/USN-6166-2

History

2023-08-02: Initial vulnerability report published.