inmail-show in mh-book 200605 allows local users to overwrite arbitrary files via a symlink attack on a (1) /tmp/inmail#####.log or (2) /tmp/inmail#####.stdin temporary file.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/46709http://www.securityfocus.com/bid/32399http://lists.debian.org/debian-devel/2008/08/msg00347.htmlhttp://uvw.ru/report.sid.txt