axiom-test.sh in axiom 20100701-1.1 uses tempfile to create a safe temporary file but appends a suffix to the original filename and writes to this new filename, which allows local users to overwrite arbitrary files via a symlink attack on the new filename.
https://exchange.xforce.ibmcloud.com/vulnerabilities/90663
http://www.openwall.com/lists/oss-security/2014/01/22/4