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========================================================================== Ubuntu Security Notice USN-1513-1 July 23, 2012
libexif vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS
Summary:
libexif could be made to crash, run programs as your login, or expose sensitive information if it opened a specially crafted file.
Software Description: - 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 12.04 LTS: libexif12 0.6.20-2ubuntu0.1
Ubuntu 11.10: libexif12 0.6.20-1ubuntu0.1
Ubuntu 11.04: libexif12 0.6.20-0ubuntu1.1
Ubuntu 10.04 LTS: libexif12 0.6.19-1ubuntu0.1
Ubuntu 8.04 LTS: libexif12 0.6.16-2.1ubuntu0.2
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1513-1 CVE-2012-2812, CVE-2012-2813, CVE-2012-2814, CVE-2012-2836, CVE-2012-2837, CVE-2012-2840, CVE-2012-2841
Package Information: https://launchpad.net/ubuntu/+source/libexif/0.6.20-2ubuntu0.1 https://launchpad.net/ubuntu/+source/libexif/0.6.20-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libexif/0.6.20-0ubuntu1.1 https://launchpad.net/ubuntu/+source/libexif/0.6.19-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libexif/0.6.16-2.1ubuntu0.2
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