| Business Impact: |
A successful compromise of an affected version of the Workstation Service leaves the attacker in complete control of the targeted host. This can result in exposure of confidential information, loss of productivity, and further network compromise. This vulnerability could be exploited by worms or other malware. |
| CVSS: |
Base Score: |
10.0 |
| |
Access Vector: |
Remote |
| Access Complexity: |
Low |
| Authentication: |
Not Required |
| Confidentiality Impact: |
Complete |
| Integrity Impact: |
Complete |
| Availability Impact: |
Complete |
| Impact Bias: |
Normal |
| Adjusted Temporal Score: |
7.4 |
| |
Exploitability: |
Unproven |
| Remediation Level: |
Official Fix |
| Report Confidence: |
Confirmed |
| Affected Products: |
Microsoft Corporation: Windows 2000 SP4
Microsoft Corporation: Windows XP SP2 |
| Technical Description: |
The Microsoft Workstation Service runs by default and maintains client connections to Windows Networking services. A remote attacker can connect to the named pipe for this service and issue a malformed request that overflows a stack buffer. This can result in code execution, providing the attacker with total control of the target host. Authentication is not required in Windows 2000, but it is required in XP. |
| Workaround: |
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS06-070. |
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