USN-3311-1: libnl vulnerability | Cloud Foundry

2017-06-22T00:00:00
ID CFOUNDRY:FB20EAE0D7FF0ECE3E558E9F9034444E
Type cloudfoundry
Reporter Cloud Foundry
Modified 2017-06-22T00:00:00

Description

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04

Description

It was discovered that libnl incorrectly handled memory when performing certain operations. A local attacker could possibly use this issue to cause libnl to crash, resulting in a denial of service, or execute arbitrary code.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH stemcells are vulnerable, including:
    • 3263.x versions prior to 3263.28
    • 3312.x versions prior to 3312.29
    • 3363.x versions prior to 3363.26
    • 3421.x versions prior to 3421.9
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs2 prior to 1.129.0

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

  • The Cloud Foundry project recommends upgrading the following BOSH stemcells:
    • Upgrade 3263.x versions prior to 3263.28
    • Upgrade 3312.x versions prior to 3312.29
    • Upgrade 3363.x versions prior to 3363.26
    • Upgrade 3421.x versions prior to 3421.9
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.129.0 or later.

References