viewpatch in mgdiff 1.0 allows local users to overwrite arbitrary files via a symlink attack on temporary files.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/22846http://www.securityfocus.com/bid/15180http://secunia.com/advisories/17299http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=335188
