Windows RASMAN registry corruption vulnerability

Added: 07/28/2006
CVE: CVE-2006-2371
BID: 18358
OSVDB: 26436


The Routing and Remote Access Service (RRAS) allows a Windows computer to act as a router, dial-up access server, VPN server, or network address translator. The Remote Access Connection Manager (RASMAN) service handles the details of establishing the connection to the remote server.


A buffer overflow in the RASMAN service can lead to registry corruption, allowing a remote attacker to execute arbitrary commands.


Install the patch referenced in Microsoft Security Bulletin 06-025.



In order for this exploit to succeed, valid login credentials are required, the Remote Access Connection Manager service must be started on the target, and the Routing and Remote Access service must be configured on the target. To configure the Routing and Remote Access service, open the service, right-click the computer name, choose "Configure and Enable Routing and Remote Access", click "Next", Choose "Network router", click "Next", and use the default settings to finish the configuration.

The Crypt::DES, Digest::MD4, and Digest::MD5 packages are required for performing Windows authentication, which is a requirement for successful exploitation. These packages are available from


Windows 2000

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