src/main-win.c in GPicView 0.1.9 in Lightweight X11 Desktop Environment (LXDE) allows local users to overwrite arbitrary files via a symlink attack on the /tmp/rot.jpg temporary file.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=495968
lxde.svn.sourceforge.net/viewvc/lxde?view=rev&sortby=date&revision=845
sourceforge.net/tracker/index.php?func=detail&aid=2019481&group_id=180858&atid=894869
www.openwall.com/lists/oss-security/2008/08/25/3
www.openwall.com/lists/oss-security/2008/08/26/10
www.openwall.com/lists/oss-security/2008/08/26/5