Full Disclosure mailing list archives

RE: Local DoS in windows.


From: Steve Wray <steve.wray () paradise net nz>
Date: Sat, 11 Oct 2003 09:10:49 +1300

How long do you have to hold the mouse button down for?
I see no effect after about 30 seconds then I got bored...
Tried in outlook and wordpad. In fact the 'ambient' CPU useage
actually appeared to flatten out.

-----Original Message-----
From: full-disclosure-admin () lists netsys com 
[mailto:full-disclosure-admin () lists netsys com] On Behalf Of 
bipin gautam
Sent: Saturday, 11 October 2003 6:18 a.m.
To: Full-Disclosure () lists netsys com
Cc: bugtraq () securityfocus com
Subject: [Full-disclosure] Local DoS in windows.


--- [Affected] ---
We have only tried it in windows Xp.

--- [Bug Details] ---
http://www.geocities.com/visitbipin/win_dos.jpg 
The image is self explanatory...

--- [Description] ---
When you click to "any" close, maximize or minimize
button's in windows Xp, [No matter whether it's IE or
a WordPad] surprisingly there is 100% CPU use at the
instant and it continues............ until you release
the button! Moreover, we've noticed if you
continuously click the button for a long time [... not
release it and hold ON ] we've seen gradual/slow rise
in page-file use too...!!!

--- [Conclusion] ---
Hell... local DoS! That could be used by employees
working at different terminal..... (O;

--- [Background Information] ---
This bug was originally discovered by hUNT3R,[myself]
a member of 01 Security Submission. The vendor was
notified via email.
http://www.ysgnet.com/hn

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