Title: Microsoft Windows RPC Mutual Authentication Service Spoofing Vulnerability
Severity: MODERATE
Description:
Microsoft Windows is susceptible to a vulnerability in the RPC component, specifically when using the mutual authentication mechanism with the SSL (Secure Socket Layer) protocol. The mutual authentication mechanism requires that both the client and the server exchange credentials before establishing communications. This mechanism is supposed to ensure that the client is connecting to a legitimate, trusted RPC service.
This issue is due to a flaw in the mutual authentication mechanism that can occur when it attempts to validate the identity of an RPC service. This can allow the attacker to spoof a valid RPC service that victims of the attack may inadvertently access.
Exploitation of this issue could potentially expose the victim to other attacks.
Affected Products:
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Advanced Server SP1
- Microsoft Windows 2000 Advanced Server SP2
- Microsoft Windows 2000 Advanced Server SP3
- Microsoft Windows 2000 Advanced Server SP4
- Microsoft Windows 2000 Datacenter Server
- Microsoft Windows 2000 Datacenter Server SP1
- Microsoft Windows 2000 Datacenter Server SP2
- Microsoft Windows 2000 Datacenter Server SP3
- Microsoft Windows 2000 Datacenter Server SP4
- Microsoft Windows 2000 Professional
- Microsoft Windows 2000 Professional SP1
- Microsoft Windows 2000 Professional SP2
- Microsoft Windows 2000 Professional SP3
- Microsoft Windows 2000 Professional SP4
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Server SP1
- Microsoft Windows 2000 Server SP2
- Microsoft Windows 2000 Terminal Services
- Microsoft Windows 2000 Terminal Services SP1
- Microsoft Windows 2000 Terminal Services SP2
References:
- Microsoft: Security Update for Windows 2000 (KB917736)
- Microsoft: Windows 2000 Homepage
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