CVE-2006-5821 - Unthorough Opportunity

Description

Heap-based buffer overflow in the IMA_SECURE_DecryptData1 function in ImaSystem.dll for Citrix MetaFrame XP 1.0 and 2.0 and Presentation Server 3.0 and 4.0 allows remote attackers to execute arbitrary code via requests to the Independent Management Architecture (IMA) service (ImaSrv.exe) with invalid size values that trigger the overflow during decryption.

Reference

http://www.zerodayinitiative.com/advisories/ZDI-06-038.html http://support.citrix.com/article/CTX111186 http://www.securityfocus.com/bid/20986 http://secunia.com/advisories/22802 http://securitytracker.com/id?1017205 http://www.vupen.com/english/advisories/2006/4429 https://exchange.xforce.ibmcloud.com/vulnerabilities/30148 http://www.securityfocus.com/archive/1/451337/100/100/threaded