CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
Percentile
52.4%
Microsoft Windows NT 4.0 Terminal Server contains a buffer overflow that could allow an intruder to execute arbitrary code with the privileges of an administrator.
There is a buffer overflow in the code that processes the username (specifically in RegAPI.DLL) in Microsoft Windows NT 4.0 Terminal Server. This allows an intruder to submit a specially crafted username in such a way as to cause Terminal Server to execute code of the intruder’s choosing. The intruder does not need to have a valid username or password; anyone with access to port 3389/TCP can exploit this vulnerability.
Intruders can execute arbitrary code with the privileges of a logged in administrator. Additionally, an intruder who can log in locally can cause Terminal Server to crash.
Apply a patch as described in <http://www.microsoft.com/ntserver/terminalserver/downloads/critical/q277910/default.asp>.
You may also with to block access to port 3389/TCP to reduce your exposure to this vulnerability. This does not eliminate the vulnerability, but it does reduce the number of people who can exploit it.
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Updated: August 15, 2001
Affected
The vendor has not provided us with any further information regarding this vulnerability.
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23570330 Feedback>).
Group | Score | Vector |
---|---|---|
Base | ||
Temporal | ||
Environmental |
This vulnerability was discovered by Bruno Acselrad of CORE SDI S.A., Buenos Aires, Argentina.
This document was written by Shawn V. Hernan.
CVE IDs: | CVE-2000-1149 |
---|---|
Severity Metric: | 16.88 Date Public: |