Severity

High

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 18.04

Description

It was discovered that systemd incorrectly handled certain mount paths. A local attacker could possibly use this issue to cause systemd to crash, resulting in a denial of service. (CVE-2021-33910)

Mitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW packets. A remote attacker could possibly use this issue to reconfigure servers. (CVE-2020-13529)

CVEs contained in this USN include: CVE-2020-13529, CVE-2021-33910

Affected VMware Products and Versions

Severity is high unless otherwise noted.

• Isolation Segment
  • 2.7.x versions prior to 2.7.35
  • 2.9.x versions prior to 2.9.23
  • 2.10.x versions prior to 2.10.15
  • 2.11.x versions prior to 2.11.4
• VMware Tanzu Application Service for VMs
  • 2.7.x versions prior to 2.7.37
  • 2.9.x versions prior to 2.9.25
  • 2.10.x versions prior to 2.10.17
  • 2.11.x versions prior to 2.11.5

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
  • 2.7.35
  • 2.9.23
  • 2.10.15
  • 2.11.4
• VMware Tanzu Application Service for VMs
  • 2.7.37
  • 2.9.25
  • 2.10.17
  • 2.11.5

References

• https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13529
• https://people.canonical.com/~ubuntu-security/cve/CVE-2021-33910
• https://ubuntu.com/security/notices/USN-5013-1
• https://cloudfoundry.org/blog/usn-5013-1

History

2021-09-13: Initial vulnerability report published.