IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.3 uses weak permissions (777) for files associated with unspecified "interim fixes," which allows attackers to modify files that would not have been accessible if the intended 755 permissions were used.
http://www.vupen.com/english/advisories/2009/0854
http://www.securityfocus.com/bid/34259
http://www-01.ibm.com/support/docview.wss?uid=swg27014463
http://www-01.ibm.com/support/docview.wss?uid=swg1PK82988
http://www-01.ibm.com/support/docview.wss?uid=swg1PK77590