USN-1085-1: tiff vulnerabilities
7 March 2011
tiff vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 9.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Summary
Certain applications could be made to run programs as your login if they opened a specially crafted TIFF file.
Software Description
- tiff - TIFF manipulation and conversion tools
Details
Sauli Pahlman discovered that the TIFF library incorrectly handled invalid td_stripbytecount fields. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service. This issue only affected Ubuntu 10.04 LTS and 10.10. (CVE-2010-2482)
Sauli Pahlman discovered that the TIFF library incorrectly handled TIFF files with an invalid combination of SamplesPerPixel and Photometric values. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service. This issue only affected Ubuntu 10.10. (CVE-2010-2482)
Nicolae Ghimbovschi discovered that the TIFF library incorrectly handled invalid ReferenceBlackWhite values. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service. (CVE-2010-2595)
Sauli Pahlman discovered that the TIFF library incorrectly handled certain default fields. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service. (CVE-2010-2597, CVE-2010-2598)
It was discovered that the TIFF library incorrectly validated certain data types. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service. (CVE-2010-2630)
It was discovered that the TIFF library incorrectly handled downsampled JPEG data. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privileges, or crash the application, leading to a denial of service. This issue only affected Ubuntu 10.04 LTS and 10.10. (CVE-2010-3087)
It was discovered that the TIFF library incorrectly handled certain JPEG data. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privileges, or crash the application, leading to a denial of service. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS and 9.10. (CVE-2011-0191)
It was discovered that the TIFF library incorrectly handled certain TIFF FAX images. If a user or automated system were tricked into opening a specially crafted TIFF FAX image, a remote attacker could execute arbitrary code with user privileges, or crash the application, leading to a denial of service. (CVE-2011-0191)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 10.10
- libtiff4 - 3.9.4-2ubuntu0.1
- Ubuntu 10.04 LTS
- libtiff4 - 3.9.2-2ubuntu0.4
- Ubuntu 9.10
- libtiff4 - 3.8.2-13ubuntu0.4
- Ubuntu 8.04 LTS
- libtiff4 - 3.8.2-7ubuntu3.7
- Ubuntu 6.06 LTS
- libtiff4 - 3.7.4-1ubuntu3.9
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make all the necessary changes.