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Telnet NTLM Credential Reflection Authentication Bypass Vulnerability (960859)

Information

Severity

Severity

Critical

Family

Family

Windows : Microsoft Bulletins

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

4 years ago

Summary

This host is missing a critical security update according to Microsoft Bulletin MS09-042.

Insight

Insight

An error in the Telnet service when handling NTLM authentication can be exploited to reflect the user credentials and gain unauthorized access to the affected system.

Affected Software

Affected Software

Microsoft Windows 2K Service Pack 4 and prior. Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2003 Service Pack 2 and prior. Microsoft Vista Service Pack 2 and prior. Microsoft Windows 2008 Service Pack 2 and prior.

Solution

Solution

The vendor has released updates. Please see the references for more information.

Common Vulnerabilities and Exposures (CVE)