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Microsoft Windows IIS FTP Server DOS Vulnerability
Information
Severity
Severity
Critical
Family
Family
Denial of Service
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
13 years ago
Modified
Modified
4 years ago
Summary
This host is running Microsoft IIS with FTP server and is prone to Denial of service vulnerability.
Insight
Insight
The flaw is due to a boundary error when encoding Telnet IAC characters in a FTP response. This can be exploited without authenticating to the FTP service to cause a heap-based buffer overflow by sending an overly long, specially crafted FTP request.
Affected Software
Affected Software
Windows 7 IIS 7.5 FTP Server
Solution
Solution
The vendor has released updates. Please see the references for more information.