USN-2123-1: file vulnerabilities

Releases

• Ubuntu 13.10
• Ubuntu 12.10
• Ubuntu 12.04
• Ubuntu 10.04

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)

Update instructions

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

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

• libmagic1 - 5.09-2ubuntu0.2
• file - 5.09-2ubuntu0.2

Ubuntu 10.04

• libmagic1 - 5.03-5ubuntu1.1
• file - 5.03-5ubuntu1.1

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

References

• CVE-2012-1571
• CVE-2014-1943

Related notices

• USN-2126-1: php5-gd, php5-cli, php5, libapache2-mod-php5, php5-cgi