Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1 and earlier, allows remote attackers to execute arbitrary code via a long XDR string in the first argument to procedure 21 of rpc.cmsd.
https://www.immunityinc.com/downloads/immpartners/aixcmsd10092009.tar.gz
https://exchange.xforce.ibmcloud.com/vulnerabilities/53681
http://www.vupen.com/english/advisories/2009/2846
http://www.ibm.com/support/docview.wss?uid=isg1IZ62672
http://www.ibm.com/support/docview.wss?uid=isg1IZ62572
http://www.ibm.com/support/docview.wss?uid=isg1IZ62571
http://www.ibm.com/support/docview.wss?uid=isg1IZ62570
http://www.ibm.com/support/docview.wss?uid=isg1IZ62569
http://www.ibm.com/support/docview.wss?uid=isg1IZ62237
http://www.ibm.com/support/docview.wss?uid=isg1IZ62123
http://www.ibm.com/support/docview.wss?uid=isg1IZ61717
http://www.ibm.com/support/docview.wss?uid=isg1IZ61628
http://securitytracker.com/id?1022996
http://secunia.com/advisories/36978
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825
http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc