ImageMagick could be made to crash or run programs as your login if it opened a specially crafted file.
Joonas Kuorilehto and Aleksis Kauppinen discovered that ImageMagick incorrectly handled certain ResolutionUnit tags. If a user or automated system using ImageMagick were tricked into opening a specially crafted 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. (CVE-2012-0247, CVE-2012-1185)
1 May 2012
A security issue affects these releases of Ubuntu and its derivatives:
ImageMagick could be made to crash or run programs as your login if it opened a specially crafted file.
Joonas Kuorilehto and Aleksis Kauppinen discovered that ImageMagick incorrectly handled certain ResolutionUnit tags. If a user or automated system using ImageMagick were tricked into opening a specially crafted 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. (CVE-2012-0247, CVE-2012-1185)
Joonas Kuorilehto and Aleksis Kauppinen discovered that ImageMagick incorrectly handled certain IFD structures. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2012-0248, CVE-2012-1186)
Aleksis Kauppinen, Joonas Kuorilehto and Tuomas Parttimaa discovered that ImageMagick incorrectly handled certain JPEG EXIF tags. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2012-0259)
It was discovered that ImageMagick incorrectly handled certain JPEG EXIF tags. If a user or automated system using ImageMagick were tricked into opening a specially crafted 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. (CVE-2012-1610)
Aleksis Kauppinen, Joonas Kuorilehto and Tuomas Parttimaa discovered that ImageMagick incorrectly handled certain TIFF EXIF tags. If a user or automated system using ImageMagick were tricked into opening a specially crafted 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. (CVE-2012-1798)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon