Severity

High

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

Sergei Glazunov discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.

CVEs contained in this USN include: CVE-2020-15999

Affected VMware Products and Versions

Severity is high unless otherwise noted.

Vulnerable Cloud Foundry components individually listed here. Impacted stemcells may be updated independently of upgrading Tanzu Application Service or Isolation Segment.

• Isolation Segment
  • 2.7.x versions prior to 2.7.27
  • 2.8.x versions prior to 2.8.21
  • 2.9.x versions prior to 2.9.15
  • 2.10.x versions prior to 2.10.7
• Operations Manager
  • 2.7 versions prior to 2.7.25
  • 2.9 versions prior to 2.9.13
  • 2.10 versions prior to 2.10.3
• Tanzu Greenplum for Kubernetes
  • All versions prior to 2.0.0
• VMware Tanzu Application Service for VMs
  • 2.7.x versions prior to 2.7.28
  • 2.8.x versions prior to 2.8.22
  • 2.9.x versions prior to 2.9.16
  • 2.10.x versions prior to 2.10.8

Mitigation

Users of affected products are strongly encouraged to follow the mitigation below. The Cloud Foundry security team recommends upgrading the affected OSS components listed here if applicable. Upgrade VMware Tanzu products that use earlier versions of CF components to new Tanzu releases using new versions linked above. 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
  • 2.7.27
  • 2.8.21
  • 2.9.15
  • 2.10.7
• Operations Manager
  • 2.7.25
  • 2.9.13
  • 2.10.3
• Tanzu Greenplum for Kubernetes
  • 2.0.0
• VMware Tanzu Application Service for VMs
  • 2.7.28
  • 2.8.22
  • 2.9.16
  • 2.10.8

References

• https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15999
• https://ubuntu.com/security/notices/USN-4593-1
• https://cloudfoundry.org/blog/usn-4593-1

History

2020-11-20: Initial vulnerability report published.