Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 18.04

Description

Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. A remote attacker could possibly use this issue to manipulate cache results. (CVE-2021-25220) It was discovered that Bind incorrectly handled certain crafted TCP streams. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. This issue only affected Ubuntu 21.10. (CVE-2022-0396)

CVEs contained in this USN include: CVE-2021-25220, CVE-2022-0396

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Isolation Segment
  • 2.7.x versions prior to 2.7.43
  • 2.10.x versions prior to 2.10.23
  • 2.11.x versions prior to 2.11.12
  • 2.12.x versions prior to 2.12.6
• VMware Tanzu Application Service for VMs
  • 2.7.x versions prior to 2.7.48
  • 2.10.x versions prior to 2.10.28
  • 2.11.x versions prior to 2.11.16
  • 2.12.x versions prior to 2.12.9

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
  • 2.7.43
  • 2.10.23
  • 2.11.12
  • 2.12.6
• VMware Tanzu Application Service for VMs
  • 2.7.48
  • 2.10.28
  • 2.11.16
  • 2.12.9

References

• https://ubuntu.com/security/CVE-2021-25220
• https://ubuntu.com/security/CVE-2022-0396
• https://ubuntu.com/security/notices/USN-5332-1
• https://cloudfoundry.org/blog/usn-5332-1

History

2022-05-12: Initial vulnerability report published.