Rocks Clusters 4.1 and earlier allows local users to gain privileges via commands enclosed with escaped backticks (`) in an argument to the (1) mount-loop (mount-loop.c) or (2) umount-loop (umount-loop.c) command, which is not filtered in a system function call.
secunia.com/advisories/21065
securityreason.com/securityalert/1242
www.securityfocus.com/archive/1/440126/100/0/threaded
www.securityfocus.com/bid/19003
www.vupen.com/english/advisories/2006/2833
xavier.tigerteam.se/advisories/TSEAD-200606-6.txt
xavier.tigerteam.se/exploits/rocksmountdirty.sh
xavier.tigerteam.se/exploits/rocksumountdirty.py
exchange.xforce.ibmcloud.com/vulnerabilities/27758