USN-1513-1: libexif vulnerabilities
23 July 2012
libexif could be made to crash, run programs as your login, or expose sensitive information if it opened a specially crafted file.
Releases
Packages
- libexif - library to parse EXIF files
Details
Mateusz Jurczyk discovered that libexif incorrectly parsed certain
malformed EXIF tags. If a user or automated system were tricked into
processing a specially crafted image file, an attacker could cause libexif
to crash, leading to a denial of service, or possibly obtain sensitive
information. (CVE-2012-2812, CVE-2012-2813)
Mateusz Jurczyk discovered that libexif incorrectly parsed certain
malformed EXIF tags. If a user or automated system were tricked into
processing a specially crafted image file, an attacker could cause libexif
to crash, leading to a denial of service, or possibly execute arbitrary
code. (CVE-2012-2814)
Yunho Kim discovered that libexif incorrectly parsed certain malformed EXIF
tags. If a user or automated system were tricked into processing a
specially crafted image file, an attacker could cause libexif to crash,
leading to a denial of service, or possibly obtain sensitive information.
(CVE-2012-2836)
Yunho Kim discovered that libexif incorrectly parsed certain malformed EXIF
tags. If a user or automated system were tricked into processing a
specially crafted image file, an attacker could cause libexif to crash,
leading to a denial of service. (CVE-2012-2837)
Dan Fandrich discovered that libexif incorrectly parsed certain malformed
EXIF tags. If a user or automated system were tricked into processing a
specially crafted image file, an attacker could cause libexif to crash,
leading to a denial of service, or possibly execute arbitrary code.
(CVE-2012-2840, CVE-2012-2841)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 8.04
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04
In general, a standard system update will make all the necessary changes.