Ubuntu Security Notice USN-2553-2
1st April, 2015
tiff regression
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary
USN-2553-1 introduced a regression in LibTIFF.
Software description
- tiff
– Tag Image File Format (TIFF) library
Details
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)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 14.10:
-
libtiff5
4.0.3-10ubuntu0.2
- Ubuntu 14.04 LTS:
-
libtiff5
4.0.3-7ubuntu0.3
- Ubuntu 12.04 LTS:
-
libtiff4
3.9.5-2ubuntu1.8
- Ubuntu 10.04 LTS:
-
libtiff4
3.9.2-2ubuntu0.16
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.