CVE-2011-0543 Information

Description

Certain legacy functionality in fusermount in fuse 2.8.5 and earlier when util-linux does not support the –no-canonicalize option allows local users to bypass intended access restrictions and unmount arbitrary directories via a symlink attack.

Reference

http://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=cbd3a2a84068aae6e3fe32939d88470d712dbf47 http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html http://www.openwall.com/lists/oss-security/2011/02/02/2 http://www.openwall.com/lists/oss-security/2011/02/03/5 http://www.openwall.com/lists/oss-security/2011/02/08/4