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CVE-2016-7568

Status Candidate

Overview

Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls.

Related Files

Gentoo Linux Security Advisory 201612-09
Posted Dec 5, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201612-9 - Multiple vulnerabilities have been found in GD, the worst of which allows remote attackers to execute arbitrary code. Versions less than 2.2.3 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2016-5766, CVE-2016-6128, CVE-2016-6132, CVE-2016-6207, CVE-2016-7568
SHA-256 | ffca006ac4ed95b5c403e05ca84f0447ce1e0afa104b4c0e8ddb6e3a031ccddc
Ubuntu Security Notice USN-3117-1
Posted Nov 1, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3117-1 - 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. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-6911, CVE-2016-7568, CVE-2016-8670
SHA-256 | 36e583c160832db3a4221ebf8d72c02ad396a5f1f28cd42e11a199e883783275
Debian Security Advisory 3693-1
Posted Oct 18, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3693-1 - Multiple vulnerabilities have been discovered in the GD Graphics Library, which may result in denial of service or potentially the execution of arbitrary code if a malformed file is processed.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, debian
advisories | CVE-2016-7568
SHA-256 | 43a92cb5d9f6e62cc4a4da52fe265bff5e1b879505ae69e8fe593cf9645b422a
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