full-disclosure - EEYE: Windows Shell ZIP File Decompression DUNZIP32.DLL Buffer Overflow Vulnerability

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Message-ID: <20041014135642.77834.qmail@web20227.mail.yahoo.com>
From: visitbipin at yahoo.com (bipin gautam)
Subject: EEYE: Windows Shell ZIP File Decompression DUNZIP32.DLL Buffer Overflow Vulnerability


>---Description---
>Win xp default zip manager can't handle long file
names properly...
>
>---Bug Demonstration---
>Create a new file with very long file name... in your
c: [ say:
>1.111111111111111111111111111111111111111111111111111111111111111111111111
>11111111111111111111111111111111111111111111111111111111111111111111111111
>11111111111111111111111111111111111111111111111111111111111111111111111111
>11111111111111111111111111111 ] 
>
>[or, download]  
http://www.geocities.com/visitbipin/zip_long.zip
>
>Windows xp will easily allow you to create that file,
now zip the file [ 
>above mentioned ie 1.11111111111111111111* ] using
winxp default zip 
>manager, [say, the new file created is 1.zip]
>But strangely, if you open the file [1.zip] with
windows explorer [ie 
>view it's content] You can neither see a file name
nor its extension in 
>the archive but simply its icon only!
>
>Moreover, windows xp doesn't allow you to delete the
long file created in 
>the above example, through GUI mode [...have to use
command prompt] and 
>end up with an error Can't delete 1 : The folder is
empty. [actually its 
>a file!]

http://www.securityfocus.com/archive/1/336994


*appaulse*

before, microsoft discarded this report as a
non-security issue. Maybe, my english was too poor at
that time.


		
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