HP NonStop Server G06.29, when running Standard Security T6533G06 before T6533G06^ABK, does not properly evaluate access permissions to OSS directories when no optional ACL entry exists, which allows local users to read arbitrary files.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29951
http://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00795238
http://www.vupen.com/english/advisories/2006/4301
http://www.securityfocus.com/bid/20824