RE: Long path exploit on NTFS

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Err.. I beg to differ:


----------------

SWEEP virus detection utility
Version 3.54, Monday, February 04, 2002
Includes detection for 71830 viruses, trojans and worms
Copyright © 1989, 2001, Sophos Plc, www.sophos.com

Info:	Immediate job started by xxxx at 8:57  on Tuesday, February 05, 2002

Items to be swept:
	"All Master Boot Sectors"
	Drive C: Sector 0
	c:\temp\*.* and all subfolders

Scanning options:
	Quick mode,
	excluding off-line files

Sweeping:
	Disk 80 Cylinder 0 Head 0 Sector 1
	Drive C: Sector 0
	
C:\TEMP\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12
34567890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\1
234567890\1234567890\1234567890\1234567890\1234567890\1234567890\123456789\1
234567890...\EICAR.TXT
Virus:	'EICAR-AV-Test' detected in
C:\TEMP\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\12345
6~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\
123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\EICAR.TXT
	No action taken 

	
C:\TEMP\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12
34567890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\1
234567890\1234567890\1234567890\1234567890\1234567890\1234567890\123456789\1
234567890...\EICAR2.COM
Virus:	'EICAR-AV-Test' detected in
C:\TEMP\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\12345
6~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\
123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\EICAR2.COM
	No action taken 

	
C:\TEMP\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12
34567890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\1
234567890\1234567890\1234567890\1234567890\1234567890\1234567890\123456789\t
emp\1234567890...\EICAR.TXT
Virus:	'EICAR-AV-Test' detected in
C:\TEMP\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\12345
6~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\
123456~1\123456~1\123456~1\123456~1\temp\123456~1\123456~1\123456~1\123456~1
\123456~1...\EICAR.TXT
	No action taken 

	
C:\TEMP\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12
34567890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\1
234567890\1234567890\1234567890\1234567890\1234567890\1234567890\123456789\t
emp\1234567890...\EICAR3.COM
Virus:	'EICAR-AV-Test' detected in
C:\TEMP\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\12345
6~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\123456~1\
123456~1\123456~1\123456~1\123456~1\temp\123456~1\123456~1\123456~1\123456~1
\123456~1...\EICAR3.COM
	No action taken 

Info:	Immediate job completed at 8:57  on Tuesday, February 05, 2002
	11 items swept, 4 viruses detected, 0 errors

-------

	Sophos seems to truncate the paths for the sake of the report, but
they are long (the second one exceeding 256 characters even when using the
'~' notation.
	Those eicar files are still there from when I originally tested
(with 3.53 [January's update]). Obviously explorer was unable to delete
them.

	The platform tested was Win2000 SP2 (before and after the recent
security roll-up patch). I have not tried NT4.

	Regards,

Dave

> -----Original Message-----
> From:	Frank Heyne [SMTP:fh@rcs.urz.tu-dresden.de]
> Sent:	Monday, February 04, 2002 7:15 PM
> To:	bugtraq@securityfocus.com; hans.somers@hccnet.nl
> Subject:	Re: Long path exploit on NTFS
> 
> On 4 Feb 2002, at 10:26, Hans Somers wrote:
> 
> > Not Vunerable:
> > --------------
> > *1  					
> >  Sophos Anti-Virus v3.53
> 
> This is not true.
> 
> According to my own tests, Sophos Anti-Virus v3.53
> is unable to find virii in deeply nested NTFS subdirectories on NT 4.
> 
> 
> 
> Frank Heyne
> 


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