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==========================================================================
Ubuntu Security Notice USN-2553-1
March 31, 2015

tiff vulnerabilities
==========================================================================

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:

LibTIFF could be made to crash or run programs as your login if it opened a
specially crafted file.

Software Description:
- tiff: Tag Image File Format (TIFF) library

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 versions:

Ubuntu 14.10:
  libtiff5                        4.0.3-10ubuntu0.1

Ubuntu 14.04 LTS:
  libtiff5                        4.0.3-7ubuntu0.2

Ubuntu 12.04 LTS:
  libtiff4                        3.9.5-2ubuntu1.7

Ubuntu 10.04 LTS:
  libtiff4                        3.9.2-2ubuntu0.15

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2553-1
  CVE-2014-8127, CVE-2014-8128, CVE-2014-8129, CVE-2014-8130,
  CVE-2014-9330, CVE-2014-9655

Package Information:
  https://launchpad.net/ubuntu/+source/tiff/4.0.3-10ubuntu0.1
  https://launchpad.net/ubuntu/+source/tiff/4.0.3-7ubuntu0.2
  https://launchpad.net/ubuntu/+source/tiff/3.9.5-2ubuntu1.7
  https://launchpad.net/ubuntu/+source/tiff/3.9.2-2ubuntu0.15



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