Launchpad.net

CVE 2014-2886

GKSu 2.0.2, when sudo-mode is not enabled, uses " (double quote) characters in a gksu-run-helper argument, which allows attackers to execute arbitrary commands in certain situations involving an untrusted substring within this argument, as demonstrated by an untrusted filename encountered during installation of a VirtualBox extension pack.

See the CVE page on Mitre.org for more details.