Microsoft Windows RPC Mutual Authentication Vulnerability - Secunia Advisories - Vulnerability Intelligence

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Microsoft Windows RPC Mutual Authentication Vulnerability
Secunia Advisory:	SA20637	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-06-13
Popularity:	10,650 views

Critical:	Moderately critical
Impact:	Spoofing
Where:	From local network
Solution Status:	Vendor Patch

OS:	Microsoft Windows 2000 Advanced Server Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Professional Microsoft Windows 2000 Server

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-2380

Description: A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to spoof a valid RPC server. The vulnerability is caused due to an error within the handling of RPC mutual authentication. This can be exploited to cause custom RPC clients to incorrectly validate the identity of the RPC server, which potentially allows a malicious RPC server to impersonate a valid service. Successful exploitation requires that RPC clients use SSL with mutual authentication option enabled and that a user e.g. is tricked into connecting to a malicious RPC server. Solution: Apply patch. Microsoft Windows 2000 SP4: http://www.microsoft.com/downloads/de...=5089d956-7d8d-4241-9ca2-107ce4f8c093 Provided and/or discovered by: The vendor credits Michael Colson of Symantec. Original Advisory: MS06-031 (KB917736): http://www.microsoft.com/technet/security/Bulletin/MS06-031.mspx

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