Severity

Medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 18.04

Description

Juho Nurminen discovered that the REXML gem bundled with Ruby incorrectly parsed and serialized XML documents. A remote attacker could possibly use this issue to perform an XML round-trip attack.

CVEs contained in this USN include: CVE-2021-28965

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

Vulnerable Cloud Foundry components individually listed here.

• Isolation Segment
  • 2.7.x versions prior to 2.7.32
  • 2.8.x versions prior to 2.8.26
  • 2.9.x versions prior to 2.9.20
  • 2.10.x versions prior to 2.10.12
  • 2.11.x versions prior to 2.11.1
• VMware Tanzu Application Service for VMs
  • 2.7.x versions prior to 2.7.33
  • 2.8.x versions prior to 2.8.27
  • 2.9.x versions prior to 2.9.21
  • 2.10.x versions prior to 2.10.13
  • 2.11.x versions prior to 2.11.1

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
  • 2.7.32
  • 2.8.26
  • 2.9.20
  • 2.10.12
  • 2.11.1
• VMware Tanzu Application Service for VMs
  • 2.7.33
  • 2.8.27
  • 2.9.21
  • 2.10.13
  • 2.11.1

References

• https://people.canonical.com/~ubuntu-security/cve/CVE-2021-28965
• https://ubuntu.com/security/notices/USN-4922-1
• https://cloudfoundry.org/blog/usn-4922-1

History

2021-06-15: Initial vulnerability report published.