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Category:   Device (Router/Bridge/Hub)  >   Blue Coat ProxySG Vendors:   Blue Coat Systems
Blue Coat ProxySG's Blue Coat Authentication and Authorization Agent Stack Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1025455
SecurityTracker URL:  http://securitytracker.com/id/1025455
CVE Reference:   CVE-2011-5124   (Links to External Site)
Updated:  Sep 4 2012
Original Entry Date:  Apr 29 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): BCAAA build prior to 60258
Description:   A vulnerability was reported in Blue Coat ProxySG's Blue Coat Authentication and Authorization Agent (BCAAA). A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to the Windows-based Blue Coat Authentication and Authorization Agent on TCP port 16102 to trigger a stack overflow and execute arbitrary code on the target BCAAA system. The code will run with System privileges.

ProxyOne is also affected.

Paul Harrington of NGS Secure Research reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (4.3.4.2 [interim fix], 5.4.7.1, 5.5.5.1, 6.1.4.1, 6.2.1.1).

The vendor's advisory is available at:

https://kb.bluecoat.com/index?page=content&id=SA55

Vendor URL:  kb.bluecoat.com/index?page=content&id=SA55 (Links to External Site)
Cause:   Boundary error

Message History:   None.


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