Directory traversal vulnerability in pkgadd in SCO UnixWare 7.1.4 before p534589 allows local users to create or append to arbitrary files via ".." sequences in an unspecified environment variable, probably PKGINST.
https://www.exploit-db.com/exploits/5355
https://exchange.xforce.ibmcloud.com/vulnerabilities/41759
http://www.securitytracker.com/id?1019787
http://www.sco.com/support/update/download/release.php?rid=324
http://secunia.com/advisories/29657
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=676
http://ftp.sco.com/pub/unixware7/714/security/p534589/p534589.txt