Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 14.04 LTS
Description
The GD library could be made to crash or run programs if it processed a
specially crafted image file. Software description: libgd2 – GD Graphics Library
Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed Tiff images. If a user or automated system were tricked into processing a specially crafted Tiff image, an attacker could cause a denial of service. (CVE-2016-6911)
Ke Liu discovered that the GD library incorrectly handled certain integers when processing WebP images. If a user or automated system were tricked into processing a specially crafted WebP image, an attacker could cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10 (CVE-2016-7568)
Emmanuel Law discovered that the GD library incorrectly handled certain strings when creating images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2016-8670)
Affected Products and Versions
Severity is medium unless otherwise noted.
- All versions of Cloud Foundry cflinuxfs2 prior to v.1.90.0
Mitigation
Users of affected versions should apply the following mitigation:
- The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 v.1.90.0 or later versions
Credit
Ibrahim El-Sayed, Ke Liu, Emmanuel Law
