Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 16.04

Description

Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service. Update Instructions: Run `sudo pro fix USN-6188-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libssl-dev - 1.0.2g-1ubuntu4.20+esm9 openssl - 1.0.2g-1ubuntu4.20+esm9 libssl-doc - 1.0.2g-1ubuntu4.20+esm9 libssl1.0.0 - 1.0.2g-1ubuntu4.20+esm9 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2023-2650

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Isolation Segment
  • 2.8.x versions with Xenial Stemcells prior to 621.584
  • 2.9.x versions with Xenial Stemcells prior to 621.584
  • 2.10.x versions with Xenial Stemcells prior to 621.584
  • 2.11.x versions with Xenial Stemcells prior to 621.584
  • 2.12.x versions with Xenial Stemcells prior to 621.584
  • 2.13.x versions with Xenial Stemcells prior to 621.584
• Operations Manager
  • 2.10.x versions prior to 2.10.59
• VMware Tanzu Application Service for VMs
  • 2.8.x versions with Xenial Stemcells prior to 621.584
  • 2.9.x versions with Xenial Stemcells prior to 621.584
  • 2.10.x versions with Xenial Stemcells prior to 621.584
  • 2.11.x versions with Xenial Stemcells prior to 621.584
  • 2.12.x versions with Xenial Stemcells prior to 621.584
  • 2.13.x versions with Xenial Stemcells prior to 621.584

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
  • 2.8.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.13.x: Upgrade Xenial Stemcells to 621.584 or greater
• Operations Manager
  • 2.10.59
• VMware Tanzu Application Service for VMs
  • 2.8.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.584 or greater
  • 2.13.x: Upgrade Xenial Stemcells to 621.584 or greater

References

• https://ubuntu.com/security/CVE-2023-2650
• https://ubuntu.com/security/notices/USN-6188-1
• https://cloudfoundry.org/blog/usn-6188-1

History

2023-06-29: Initial vulnerability report published.