Integer signedness error in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM) Portmapper service (aka portmap.exe), as used in IBM Informix Dynamic Server (IDS) 10.x before 10.00.TC9 and 11.x before 11.10.TC3 and EMC Legato NetWorker, allows remote attackers to execute arbitrary code via a crafted parameter size that triggers a stack-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/56586
http://www.zerodayinitiative.com/advisories/ZDI-10-023
http://www.vupen.com/english/advisories/2010/0509
http://www.vupen.com/english/advisories/2010/0508
http://www.securityfocus.com/bid/38472
http://www.securityfocus.com/archive/1/509793/100/0/threaded
http://www.ibm.com/support/docview.wss?uid=swg1IC55330
http://www.ibm.com/support/docview.wss?uid=swg1IC55329
http://secunia.com/advisories/38731
http://knowledgebase.emc.com/emcice/login.do?sType=ax1990&sName=1204&id=emc183834