USN-2123-1: file vulnerabilities

Ubuntu Security Notice USN-2123-1

26th February, 2014

file vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 13.10


• Ubuntu 12.10


• Ubuntu 12.04 LTS


• Ubuntu 10.04 LTS

Summary

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

Software description

• 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)

Update instructions

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

Ubuntu 13.10:

libmagic1 5.11-2ubuntu4.1

file 5.11-2ubuntu4.1

Ubuntu 12.10:

libmagic1 5.11-2ubuntu0.1

file 5.11-2ubuntu0.1

Ubuntu 12.04 LTS:

libmagic1 5.09-2ubuntu0.2

file 5.09-2ubuntu0.2

Ubuntu 10.04 LTS:

libmagic1 5.03-5ubuntu1.1

file 5.03-5ubuntu1.1

To update your system, please follow these instructions: http://bit.ly/1aJDvTw.

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

References

CVE-2012-1571, CVE-2014-1943

via Ubuntu Security Notices http://bit.ly/1cngbvk