full-disclosure - Re: ZDI-11-041: (0day) Multiple Browser Node Processing Stack Overflow Vulnerability

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Message-ID: <AANLkTinwrcZvD1mt=YvS0dSfsUTevJQLpUUP93X1BvQs@mail.gmail.com>
Date: Fri, 1 Apr 2011 17:42:41 +0200
From: Christian Sciberras <uuf6429@...il.com>
To: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
Cc: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>,
	"bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>
Subject: Re: ZDI-11-041: (0day) Multiple Browser Node
 Processing Stack Overflow Vulnerability

Hahahah.





On Fri, Apr 1, 2011 at 5:28 PM, ZDI Disclosures <
zdi-disclosures@...pingpoint.com> wrote:

> ZDI-11-041: (0day) Multiple Browser Node Processing Stack Overflow
> Vulnerability
>
> http://www.zerodayinitiative.com/advisories/ZDI-11-911
>
> April 1, 2011
>
> -- CVE ID:
> CVE-C000-00FD
>
> -- CVSS:
> 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)
>
> -- Affected Vendors:
> Microsoft
> Google
> Mikul
> Apple
> ISC
>
> -- Affected Products:
> Microsoft Internet Explorer
> Google Chrome
> Mikul Links
> Apple Safari
> ISC Lynx
>
> -- Vulnerability Details:
> Multiple vulnerabilities allow remote attackers to remotely terminate
> mission critical web applications on vulnerable installations of Apple
> Safari, Microsoft Internet Explorer, Google Chrome, Mikul Links, and ISC
> Lynx. User interaction is required to exploit this vulnerability in that
> the target must visit a malicious page or open a malicious file.
>
> The flaws exists within the handling of node attributes, specifically
> nodes with large quantities of attributes or large values within such
> nodes. When handling these objects, several functions are called
> recursively for each value provided defined within. The functions use a
> shared memory region referred to internally as the stack. The size of
> the stack is not properly verified during processing which can result in
> the consumption of all the its available address space. This process is
> extremely exhausting for the application and it cannot continue
> functioning. A remote attacker can exploit this vulnerability to
> terminate web applications under the context of the Internet.
>
> -- Vendor Response:
> Vendors claimed to be unable to respond due to unexpected browser
> termination upon accessing web form.
>
> -- Disclosure Timeline:
> 2011-04-01 - Vulnerability reported to vendor
> 2011-04-01 - Public release of advisory
>
> -- Credit:
> This vulnerability was discovered by:
>    * Spencer Pratt
>
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> disclosing discovered vulnerabilities.
>
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>
>    http://www.zerodayinitiative.com
>
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>
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>
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>
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>
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