USN-2553-1 introduced a regression in LibTIFF.
USN-2553-1 fixed vulnerabilities in LibTIFF. One of the security fixes caused a regression when saving certain TIFF files with a Predictor tag. The problematic patch has been temporarily backed out until a more complete fix is available.
1 April 2015
A security issue affects these releases of Ubuntu and its derivatives:
USN-2553-1 introduced a regression in LibTIFF.
USN-2553-1 fixed vulnerabilities in LibTIFF. One of the security fixes caused a regression when saving certain TIFF files with a Predictor tag. The problematic patch has been temporarily backed out until a more complete fix is available.
We apologize for the inconvenience.
Original advisory details:
William Robinet discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. (CVE-2014-8127, CVE-2014-8128, CVE-2014-8129, CVE-2014-8130)
Paris Zoumpouloglou discovered that LibTIFF incorrectly handled certain malformed BMP images. If a user or automated system were tricked into opening a specially crafted BMP image, a remote attacker could crash the application, leading to a denial of service. (CVE-2014-9330)
Michal Zalewski discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. (CVE-2014-9655)
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