USN-3030-1/USN-3060-1 GD library vulnerability


Severity

Medium

Vendor

Canonical Ubuntu, libgd

Versions Affected
  • Canonical Ubuntu 14.04 LTS
Description

It was discovered that the GD library incorrectly handled memory when using gdImageScaleTwoPass(). A remote attacker could possibly use this issue to cause a denial of service. (CVE-2013-7456)

It was discovered that the GD library incorrectly handled certain malformed XBM images. If a user or automated system were tricked into processing a specially crafted XBM image, an attacker could cause a denial of service. (CVE-2016-5116)

It was discovered that the GD library incorrectly handled memory when using _gd2GetHeader(). A remote attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2016-5766)

It was discovered that the GD library incorrectly handled certain color indexes. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-6128)

It was discovered that the GD library incorrectly handled memory when encoding a GIF image. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-6161)

It was discovered that the GD library incorrectly handled certain malformed TGA images. If a user or automated system were tricked into processing a specially crafted TGA image, an attacker could cause a denial of service. (CVE-2016-6132, CVE-2016-6214)

It was discovered that the GD library incorrectly handled memory when using gdImageScale(). A remote attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2016-6207)

Affected Pivotal Products and Versions

Severity is medium unless otherwise noted.

  • All versions of Cloud Foundry cflinuxfs2 prior to v.1.74.0
  • PCF Elastic Runtime versions prior to 1.6.37 and 1.7.x versions prior to 1.7.15
Mitigation

Users of affected versions should apply the following mitigation:

  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 v.1.74.0 or later versions
  • Upgrade PCF Elastic Runtime to 1.6.37 or 1.7.x versions to 1.7.15
References