Author Archive for JD McCloud

Windows 7 SMB Kernel Crash Video

Windows 7 SMB Kernel Crash Video

Back on November 11th, 2009 we confirmed Laurent Gaffié’s remote exploit for Windows that causes a kernel crash. The operating system actually freezes creating a denial of service when for example a user is tricked into clicking on a link to a malicious SMB share on a web page. The SMB client goes into an infinite loop when processing this malformed request according to Microsoft. The video below demonstrates this effect, having a user click a web site link and showing the crash.

Jan 14, 2010 | 7 comments | View Post
JUNOS (Juniper) Kernel Crash Video

JUNOS (Juniper) Kernel Crash Video

We have noted some interesting responses since our post yesterday detailing the information in Juniper bulletin PSN-2010-01-623 and our thoughts on its somewhat understated effect. Since our post yesterday, the bulletin has been updated, becoming more specific about the versions affected (basically excluding JUNOS version 10.x and versions no longer supported by Juniper). We have tested all 256 permutations of the Options field in the TCP header, and reproduced the kernel crash, which is demonstrated in the video below.

Jan 07, 2010 | 20 comments | View Post

RickRoll Everyone with BlueCoat

The Bluecoat SGOS can do a fair amount of stuff just like any web-proxy should, but my favorite is to RickRoll the whole company. ( People spend to much time on youtube as is ).

Apr 16, 2009 | 1 comment | View Post