IBM WebSphere Application Server (WAS) 6.1.x before 6.1.0.31 and 7.0.x before 7.0.0.11, when Basic authentication and SIP tracing (aka full trace logging for SIP) are enabled, logs the entirety of all inbound and outbound SIP messages, which allows local users to obtain sensitive information by reading the trace log.
https://exchange.xforce.ibmcloud.com/vulnerabilities/58324
http://www.vupen.com/english/advisories/2010/1411
http://www-01.ibm.com/support/docview.wss?uid=swg1PM15829
http://www-01.ibm.com/support/docview.wss?uid=swg1PM12247
http://www-01.ibm.com/support/docview.wss?uid=swg1PM08892