Full Disclosure mailing list archives

Re: NUL Character Evasion


From: "Williams, James K" <James.Williams () ca com>
Date: Thu, 15 Sep 2005 01:37:43 -0400


List:       full-disclosure
Subject:    [Full-disclosure] NUL Character Evasion
From:       ju () heisec ! de
Date:       2005-09-13 21:24:42

The Problem:
------------
Internet Explorer ignores NUL characters
-- i.e. ascii characters with the value 0x00 -- most
security software does not. This behaviour of IE
does not depend on the charset in the Content-Type-Header.

[...]

eTrust-VET    HTML.MHTMLRedir!exploit

[...]

-- 
Juergen Schmidt   editor in chief    heise Security     www.heisec.de
Heise Zeitschriften Verlag,    Helstorferstr. 7,       D-30625
Hannover
Tel. +49 511 5352 300      FAX +49 511 5352 417       EMail
ju () heisec de
GPG-Key: 0x38EA4970,  5D7B 476D 84D5 94FF E7C5  67BE F895 0A18 38EA
4970
  

Juergen,

Thank you for the report.  Computer Associates is currently 
investigating the issue (as it relates to CA products).

Regards,
kw
                                                         
Ken Williams ; Dir. Vuln Research 
Computer Associates ; 0xE2941985

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