Full Disclosure mailing list archives
Re: Internet Explorer Remote Null Pointer Crash(mshtml.dll)
From: "Berend-Jan Wever" <SkyLined () edup tudelft nl>
Date: Tue, 15 Jun 2004 03:33:45 +0200
Doesn't look like a null pointer to me, especially since it crashes while reading 800c0005... I think it's a format string vulnerability, causing ntdll.RtlFormatMessage to call ntdll._snwprintf with your href. Might be exploitable, I'll have a look... Cheers, SkyLined ----- Original Message ----- From: "Rafel Ivgi, The-Insider" <theinsider () 012 net il> To: "vulnwatch" <vulnwatch () vulnwatch org> Sent: Monday, June 14, 2004 23:20 Subject: [Full-disclosure] Internet Explorer Remote Null Pointer Crash(mshtml.dll)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Application: Internet Explorer Vendors: http://www.microsoft.com Versions: 6.0.2800.1106.xpclnt_qfe.021108-2107 Patched With: SP1;Q832894;Q330994;Q837009;Q831167; ModName: mshtml.dll ModVer: 6.0.2734.1600 Platforms: Windows Bug: Remote/Local Null Pointer Crash Exploitation: Remote with browser Date: 14 Jun 2004 Author: Rafel Ivgi, The-Insider e-mail: the_insider () mail com web: http://theinsider.deep-ice.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1) Introduction 2) Bugs 3) The Code ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ =============== 1) Introduction =============== Internet Explorer is currently the most common internet browser in the world. It comes by default with every windows operating system. Therefore any vulnerability concerning it is an highly important issue. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ====== 2) Bug ====== Upon clicking "Save As" on a link with double colon --> "::" and a left curly bracket --> "{" then Internet Explorer Will Crash. AppName: iexplore.exe AppVer: 6.0.2600.0 ModName: ntdll.dll ModVer: 5.1.2600.114 Offset: 00056074 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ =========== 3) The Code =========== Paste into an htm/html file: <center><a href=::%7b>Right Click aOn Me And Click "Save Target As"</a> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --- Rafel Ivgi, The-Insider http://theinsider.deep-ice.com "Scripts and Codes will make me D.O.S , but they will never HACK me." _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
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Current thread:
- Internet Explorer Remote Null Pointer Crash(mshtml.dll) Rafel Ivgi, The-Insider (Jun 14)
- Re: Internet Explorer Remote Null Pointer Crash(mshtml.dll) Berend-Jan Wever (Jun 14)
- <Possible follow-ups>
- RE: Internet Explorer Remote Null Pointer Crash(mshtml.dll) Thor Larholm (Jun 15)
- RE: Internet Explorer Remote Null Pointer Crash(mshtml.dll) http-equiv () excite com (Jun 15)