Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 14.04
• Canonical Ubuntu 16.04

Description

USN-5051-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1 strings. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)

CVEs contained in this USN include: CVE-2021-3712

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Tanzu Greenplum for Kubernetes
  • All versions prior to 2.0.0
• Isolation Segment
  • 2.7.x versions with Xenial Stemcells prior to 456.176
  • 2.8.x versions with Xenial Stemcells prior to 621.141
  • 2.9.x versions with Xenial Stemcells prior to 621.141
  • 2.10.x versions with Xenial Stemcells prior to 621.141
  • 2.11.x versions with Xenial Stemcells prior to 621.141
• Operations Manager
  • 2.9.x versions prior to 2.9.21
  • 2.10.x versions prior to 2.10.17
• VMware Tanzu Application Service for VMs
  • 2.7.x versions with Xenial Stemcells prior to 456.176
  • 2.8.x versions with Xenial Stemcells prior to 621.141
  • 2.9.x versions with Xenial Stemcells prior to 621.141
  • 2.10.x versions with Xenial Stemcells prior to 621.141
  • 2.11.x versions with Xenial Stemcells prior to 621.141
  • 2.12.x versions with Xenial Stemcells prior to 621.141

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:

• Tanzu Greenplum for Kubernetes
  • 2.0.0
• Isolation Segment
  • 2.7.x: Upgrade Xenial Stemcells to 456.176 or greater
  • 2.8.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.141 or greater
• Operations Manager
  • 2.9.21
  • 2.10.17
• VMware Tanzu Application Service for VMs
  • 2.7.x: Upgrade Xenial Stemcells to 456.176 or greater
  • 2.8.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.141 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.141 or greater

References

• https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3712
• https://ubuntu.com/security/notices/USN-5051-2
• https://cloudfoundry.org/blog/usn-5051-2

History

2021-12-07: Initial vulnerability report published.