The Magick_png_malloc function in coders/png.c in ImageMagick 6.7.8 and earlier does not use the proper variable type for the allocation size, which might allow remote attackers to cause a denial of service (crash) via a crafted PNG file that triggers incorrect memory allocation.

This update fixes a large number of potential security problems due to insufficient data validation when parsing different input formats.
Most of those potential security problems do not have a CVE number assigned.

While the security implications of all of these problems are not all fully known, it is highly recommended to update.

The update fixes the following identified vulnerabilities :

CVE-2012-3437

Incorrect validation of PNG buffer size, leading to DoS using specially crafted PNG files.

CVE-2014-8354

Out of bounds memory access in resize

CVE-2014-8355

Buffer overflow in PCX reader

CVE-2014-8562

Buffer overflow in DCM readers

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ImageMagick received fixes for a overflow in *png_malloc functions.
(CVE-2012-3437)

Updated imagemagick packages fix security vulnerability :

The Magick_png_malloc function in coders/png.c in ImageMagick 6.7.8-6 and earlier does not use the proper variable type for the allocation size, which might allow remote attackers to cause a denial of service (crash) via a crafted PNG file that triggers incorrect memory allocation (CVE-2012-3437).

A vulnerability has been found and corrected in imagemagick :

The Magick_png_malloc function in coders/png.c in ImageMagick 6.7.8-6 does not use the proper variable type for the allocation size, which might allow remote attackers to cause a denial of service (crash) via a crafted PNG file that triggers incorrect memory allocation (CVE-2012-3437).

The updated packages have been patched to correct this issue.

Fix CVE-2012-3437 ImageMagick: Magick_png_malloc() size argument

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Tom Lane discovered that ImageMagick would not always properly allocate memory. If a user or automated system using ImageMagick were tricked into opening a specially crafted PNG image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
84130	Debian DLA-242-1 : imagemagick security update	Nessus	Debian Local Security Checks	medium
74943	openSUSE Security Update : ImageMagick (openSUSE-SU-2013:0535-1)	Nessus	SuSE Local Security Checks	medium
66104	Mandriva Linux Security Advisory : imagemagick (MDVSA-2013:092)	Nessus	Mandriva Local Security Checks	medium
62446	Mandriva Linux Security Advisory : imagemagick (MDVSA-2012:160)	Nessus	Mandriva Local Security Checks	medium
61685	Fedora 17 : ImageMagick-6.7.5.6-4.fc17 (2012-11762)	Nessus	Fedora Local Security Checks	medium
61684	Fedora 16 : ImageMagick-6.7.0.10-6.fc16 (2012-11746)	Nessus	Fedora Local Security Checks	medium
61642	Ubuntu 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : imagemagick vulnerability (USN-1544-1)	Nessus	Ubuntu Local Security Checks	medium

Detections

Analytics

CVE-2012-3437

medium

Tenable Plugins

medium

medium

medium

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medium

medium

medium