Untrusted search path vulnerability in the wrapper scripts for the (1) rug, (2) zen-updater, (3) zen-installer, and (4) zen-remover programs on SUSE Linux 10.1 and Enterprise 10 allows local users to gain privileges via modified (a) LD_LIBRARY_PATH and (b) MONO_GAC_PREFIX environment variables.
http://www.novell.com/linux/security/advisories/2007_17_sr.html