|
Windows Workstation Service NetrWkstaUserEnum Denial of Service
|
|
Secunia Advisory:
|
SA23487
|
|
|
Release Date:
|
2006-12-26
|
|
Last Update:
|
2006-12-27
|
|
Popularity:
|
16,259 views
|
|
|
Critical:
|
Not critical
|
|
Impact:
|
DoS
|
|
Where:
|
From local network
|
|
Solution Status:
|
Unpatched
|
|
| OS: | Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
|
|
|
Subscribe:
|
Instant alerts on relevant vulnerabilities 
|
|
| CVE reference: | CVE-2006-6723
|
|
Description:
h07 has discovered a weakness in Microsoft Windows, which can be exploited by malicious people to cause a DoS (Denial of Service).
The weakness is caused due to an error in the Workstation service when handling NetrWkstaUserEnum RPC requests with a large value in the maxlen field.
Successful exploitation causes svchost.exe to consume a large amount of memory and may result in the system becoming temporarily unresponsive.
The weakness is confirmed on a fully patched Windows XP SP2 system and has also been reported in Windows 2000 SP4.
Solution:
Filter NetrWkstaUserEnum RPC requests with a large maxlen value.
Provided and/or discovered by:
h07
Changelog:
2006-12-27: Added CVE reference.
Original Advisory:
http://milw0rm.com/exploits/3013
|
|
|
Track this Secunia Advisory
|
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.
Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.
|
|
|
About this Secunia Advisory
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
