Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 14.04
• Canonical Ubuntu 18.04

Description

Patrick Keshishian discovered that libpng incorrectly handled certain PNG files. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10087)

Thuan Pham discovered that libpng incorrectly handled certain PNG files. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS. (CVE-2018-13785)

CVEs contained in this USN include: CVE-2016-10087, CVE-2018-13785

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Cloud Foundry BOSH trusty-stemcells are vulnerable, including:
  • 3586.x versions prior to 3586.26
  • 3541.x versions prior to 3541.36
  • 3468.x versions prior to 3468.54
  • 3445.x versions prior to 3445.54
  • 3421.x versions prior to 3421.69
  • 3363.x versions prior to 3363.68
  • All other stemcells not listed.
• All versions of Cloud Foundry cflinuxfs2 prior to 1.226.0
• All versions of Cloud Foundry cflinuxfs3 prior to 0.7.0

Mitigation

Users of affected products are strongly encouraged to follow one of the mitigations below:

• The Cloud Foundry project recommends upgrading the following BOSH trusty-stemcells:
  • Upgrade 3586.x versions to 3586.26
  • Upgrade 3541.x versions to 3541.36
  • Upgrade 3468.x versions to 3468.54
  • Upgrade 3445.x versions to 3445.54
  • Upgrade 3421.x versions to 3421.69
  • Upgrade 3363.x versions to 3363.68
  • 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 1.226.0 or later.
• The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs3 version 0.7.0 or later.

References

• USN-3712-1
• CVE-2016-10087
• CVE-2018-13785