USN-2123-1: file vulnerabilities

Publication date

26 February 2014

Overview

File could be made to crash if it processed a specially crafted file.


Packages

  • file - Tool to determine file types

Details

It was discovered that file incorrectly handled Composite Document files.
An attacker could use this issue to cause file to crash, resulting in a
denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. (CVE-2012-1571)

Bernd Melchers discovered that file incorrectly handled indirect offset
values. An attacker could use this issue to cause file to consume resources
or crash, resulting in a denial of service. (CVE-2014-1943)

It was discovered that file incorrectly handled Composite Document files.
An attacker could use this issue to cause file to crash, resulting in a
denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. (CVE-2012-1571)

Bernd Melchers discovered that file incorrectly handled indirect offset
values. An attacker could use this issue to cause file to consume resources
or crash, resulting in a denial of service. (CVE-2014-1943)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
13.10 saucy libmagic1 –  5.11-2ubuntu4.1
file –  5.11-2ubuntu4.1
12.10 quantal libmagic1 –  5.11-2ubuntu0.1
file –  5.11-2ubuntu0.1
12.04 precise libmagic1 –  5.09-2ubuntu0.2
file –  5.09-2ubuntu0.2
10.04 lucid libmagic1 –  5.03-5ubuntu1.1
file –  5.03-5ubuntu1.1

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