Severity

low

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 18.04

Description

USN-5244-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Daniel Onaca discovered that DBus contained a use-after-free vulnerability, caused by the incorrect handling of usernames sharing the same UID. An attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service. Update Instructions: Run `sudo ua fix USN-5244-2` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: dbus-1-doc - 1.12.2-1ubuntu1.3 dbus - 1.12.2-1ubuntu1.3 libdbus-1-dev - 1.12.2-1ubuntu1.3 dbus-user-session - 1.12.2-1ubuntu1.3 dbus-x11 - 1.12.2-1ubuntu1.3 dbus-tests - 1.12.2-1ubuntu1.3 libdbus-1-3 - 1.12.2-1ubuntu1.3 No subscription required

CVEs contained in this USN include: CVE-2020-35512

Affected VMware Products and Versions

Severity is low unless otherwise noted.

• Platform Automation Toolkit
  • 4.0.x versions prior to 4.0.13
  • 4.1.x versions prior to 4.1.13
  • 4.2.x versions prior to 4.2.8
  • 4.3.x versions prior to 4.3.5
• Isolation Segment
  • 2.7.x versions prior to 2.7.45
  • 2.10.x versions prior to 2.10.25
  • 2.11.x versions prior to 2.11.14
  • 2.12.x versions prior to 2.12.8
• VMware Tanzu Application Service for VMs
  • 2.7.x versions prior to 2.7.50
  • 2.10.x versions prior to 2.10.32
  • 2.11.x versions prior to 2.11.20
  • 2.12.x versions prior to 2.12.13

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:

• Platform Automation Toolkit
  • 4.0.13
  • 4.1.13
  • 4.2.8
  • 4.3.5
• Isolation Segment
  • 2.7.45
  • 2.10.25
  • 2.11.14
  • 2.12.8
• VMware Tanzu Application Service for VMs
  • 2.7.50
  • 2.10.32
  • 2.11.20
  • 2.12.13

References

• https://ubuntu.com/security/CVE-2020-35512
• https://ubuntu.com/security/notices/USN-5244-2
• https://cloudfoundry.org/blog/usn-5244-2

History

2022-07-25: Initial vulnerability report published.