Severity

low

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 16.04

Description

Jason Royes and Samuel Dytrych discovered that the memcpy() implementation for 32 bit ARM processors in the GNU C Library contained an integer underflow vulnerability. An attacker could possibly use this to cause a denial of service (application crash) or execute arbitrary code. (CVE-2020-6096)

It was discovered that the POSIX regex implementation in the GNU C Library did not properly parse alternatives. An attacker could use this to cause a denial of service. (CVE-2009-5155)

CVEs contained in this USN include: CVE-2009-5155, CVE-2020-6096

Affected VMware Products and Versions

Severity is low unless otherwise noted.

• Tanzu Greenplum for Kubernetes
  • All versions prior to 2.0.0
• Isolation Segment
  • 2.7.x versions with Xenial Stemcells prior to 456.164
  • 2.8.x versions with Xenial Stemcells prior to 621.129
  • 2.9.x versions with Xenial Stemcells prior to 621.129
  • 2.10.x versions with Xenial Stemcells prior to 621.129
  • 2.11.x versions with Xenial Stemcells prior to 621.129
• Operations Manager
  • 2.9.x versions prior to 2.9.19
  • 2.10.x versions prior to 2.10.12
• VMware Tanzu Application Service for VMs
  • 2.7.x versions with Xenial Stemcells prior to 456.164
  • 2.8.x versions with Xenial Stemcells prior to 621.129
  • 2.9.x versions with Xenial Stemcells prior to 621.129
  • 2.10.x versions with Xenial Stemcells prior to 621.129
  • 2.11.x versions with Xenial Stemcells prior to 621.129
  • 2.12.x versions with Xenial Stemcells prior to 621.129

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
  • 2.0.0
• Isolation Segment
  • 2.7.x: Upgrade Xenial Stemcells to 456.164 or greater
  • 2.8.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.129 or greater
• Operations Manager
  • 2.9.19
  • 2.10.12
• VMware Tanzu Application Service for VMs
  • 2.7.x: Upgrade Xenial Stemcells to 456.164 or greater
  • 2.8.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.129 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.129 or greater

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-5155
• https://people.canonical.com/~ubuntu-security/cve/CVE-2020-6096
• https://ubuntu.com/security/notices/USN-4954-1

History

2021-12-07: Initial vulnerability report published.