USN-2473-1: coreutils vulnerabilities

Publication date

14 January 2015

Overview

date and touch could be made to crash or run programs if they handled specially crafted input.


Packages

Details

It was discovered that the distcheck rule in dist-check.mk in GNU
coreutils allows local users to gain privileges via a symlink attack
on a directory tree under /tmp. This issue only affected Ubuntu 10.04 LTS.
(CVE-2009-4135)

Bertrand Jacquin and Fiedler Roman discovered date and touch incorrectly
handled user-supplied input. An attacker could possibly use this to cause
a denial of service or potentially execute code. (CVE-2014-9471)

It was discovered that the distcheck rule in dist-check.mk in GNU
coreutils allows local users to gain privileges via a symlink attack
on a directory tree under /tmp. This issue only affected Ubuntu 10.04 LTS.
(CVE-2009-4135)

Bertrand Jacquin and Fiedler Roman discovered date and touch incorrectly
handled user-supplied input. An attacker could possibly use this to cause
a denial of service or potentially execute code. (CVE-2014-9471)

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
14.04 trusty coreutils –  8.21-1ubuntu5.1
12.04 precise coreutils –  8.13-3ubuntu3.3
10.04 lucid coreutils –  7.4-2ubuntu3.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›