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Ubuntu 15.10: 2940-2 Moderate: LibPNG Denial Of Service Vulnerability

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Calendar Grey March 23, 2016
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Recent LibTIFF security flaws in Ubuntu may lead to system crashes or potential remote code execution via specially crafted files. It's advised to apply updates.
LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file.

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:

It was 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.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu tiff library libtiff

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.10:
  libtiff5                        4.0.3-12.3ubuntu2.1

Ubuntu 14.04 LTS:
  libtiff5                        4.0.3-7ubuntu0.4

Ubuntu 12.04 LTS:
  libtiff4                        3.9.5-2ubuntu1.9

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

References

https://ubuntu.com/security/notices/USN-2939-1

CVE-2015-8665, CVE-2015-8683, CVE-2015-8781, CVE-2015-8782,

CVE-2015-8783, CVE-2015-8784

Severity
important
Lowest
Low
Medium
High
Critical

March 23, 2016

Topics%20covered

Topics Covered

security advisory denial of service ubuntu tiff library libtiff

Package Information

https://launchpad.net/ubuntu/+source/tiff/4.0.3-12.3ubuntu2.1
https://launchpad.net/ubuntu/+source/tiff/4.0.3-7ubuntu0.4
https://launchpad.net/ubuntu/+source/tiff/3.9.5-2ubuntu1.9

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