USN-2986-1: dosfstools vulnerabilities

Ubuntu Security Notice USN-2986-1

31st May, 2016

dosfstools vulnerabilities

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

• Ubuntu 16.04 LTS
• Ubuntu 15.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

dosfstools could be made to crash or run programs if it processed a specially crafted filesystem.

Software description

• dosfstools - utilities for making and checking MS-DOS FAT filesystems

Details

Hanno Böck discovered that dosfstools incorrectly handled certain malformed
filesystems. A local attacker could use this issue to cause dosfstools to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions

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

Ubuntu 16.04 LTS:

dosfstools 3.0.28-2ubuntu0.1

Ubuntu 15.10:

dosfstools 3.0.28-1ubuntu0.1

Ubuntu 14.04 LTS:

dosfstools 3.0.26-1ubuntu0.1

Ubuntu 12.04 LTS:

dosfstools 3.0.12-1ubuntu1.3

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2015-8872, CVE-2016-4804

from Ubuntu Security Notices http://ift.tt/1sZ3ia3