The (1) ncsarmt and (2) ncsawrap scripts in xmcd 2.6 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/Mosaic.*pid temporary file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/46550
https://bugs.gentoo.org/show_bug.cgi?id=235770
http://www.securityfocus.com/bid/32288