Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 16.04

Description

It was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Update Instructions: Run `sudo ua fix USN-5593-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: zstd - 1.3.1+dfsg-1~ubuntu0.16.04.1+esm2 libzstd1-dev - 1.3.1+dfsg-1~ubuntu0.16.04.1+esm2 libzstd1 - 1.3.1+dfsg-1~ubuntu0.16.04.1+esm2 Available with UA Infra or UA Desktop: https://ubuntu.com/advantage

CVEs contained in this USN include: CVE-2019-11922

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Tanzu Greenplum for Kubernetes
  • All versions prior to 1.2.0
• Isolation Segment
  • 2.7.x versions with Xenial Stemcells prior to 456.298
  • 2.8.x versions with Xenial Stemcells prior to 621.280
  • 2.9.x versions with Xenial Stemcells prior to 621.280
  • 2.10.x versions with Xenial Stemcells prior to 621.280
  • 2.11.x versions with Xenial Stemcells prior to 621.280
  • 2.12.x versions with Xenial Stemcells prior to 621.280
• Operations Manager
  • 2.9.x versions prior to 2.9.43
  • 2.10.x versions prior to 2.10.47
• VMware Tanzu Application Service for VMs
  • 2.7.x versions with Xenial Stemcells prior to 456.298
  • 2.8.x versions with Xenial Stemcells prior to 621.280
  • 2.9.x versions with Xenial Stemcells prior to 621.280
  • 2.10.x versions with Xenial Stemcells prior to 621.280
  • 2.11.x versions with Xenial Stemcells prior to 621.280
  • 2.12.x versions with Xenial Stemcells prior to 621.280
  • 2.13.x versions with Xenial Stemcells prior to 621.280

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
  • 1.2.0
• Isolation Segment
  • 2.7.x: Upgrade Xenial Stemcells to 456.298 or greater
  • 2.8.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.280 or greater
• Operations Manager
  • 2.9.43
  • 2.10.47
• VMware Tanzu Application Service for VMs
  • 2.7.x: Upgrade Xenial Stemcells to 456.298 or greater
  • 2.8.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.280 or greater
  • 2.13.x: Upgrade Xenial Stemcells to 621.280 or greater

References

• https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11922
• https://ubuntu.com/security/notices/USN-5593-1
• https://cloudfoundry.org/blog/usn-5593-1

History

2022-12-08: Initial vulnerability report published.