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[Full-disclosure] another filename bypass vulnerability - from cmd.exe

From: Aditya Deshmukh (aditya.deshmukhonline.gateway.strangled.net)
Date: Wed Nov 16 2005 - 06:18:34 CST

Was doing some testing [xfocus-AD-051115]

Ie Multiple antivirus failed to scan
malicous filename bypass vulnerability

The system is windows 2000 sp4 srp5 with
all other patches upto date.

At the command prompt cmd.exe execute
the following with the results.

I copy and paste from cmd.exe
-------------------------------------------------------------------

E:\TEMP>cd test

E:\TEMP\test>copy %windir%\system32\calc.exe
        1 file(s) copied.

E:\TEMP\test>ren calc.exe calc.exe.zip

E:\TEMP\test>dir /b
calc.exe.zip

E:\TEMP\test>calc.exe.zip

E:\TEMP\test>
-------------------------------------------------------------------
This bring up the calc.exe on the screen.

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