full-disclosure - Re: ZDI-10-191: Adobe Reader ICC Parsing Remote Code Execution Vulnerability

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Message-ID: <AANLkTikKd7J6azv6PZTmtw6qqq3bxa_8Qys_KaGoRUNE@mail.gmail.com>
Date: Thu, 7 Oct 2010 10:41:56 -0300
From: "Marcio B. Jr." <marcio.barbado@...il.com>
To: Chris Evans <scarybeasts@...il.com>
Cc: ZDI Disclosures <zdi-disclosures@...pingpoint.com>,
	"Full Disclosure \(full-disclosure@...ts.grok.org.uk\)"
	<full-disclosure@...ts.grok.org.uk>
Subject: Re: ZDI-10-191: Adobe Reader ICC Parsing Remote
 Code Execution Vulnerability

> Well, awesome. This sounds near-identical to some issues that the Sun JRE
> had a few years back[1]. I wonder if the code shares a common lineage? :)


Yes, Chris,
though unnecessary (the lineage), it makes sense, really. And this is
due to Adobe and Sun, partnering in the ICC's foundation.



Regards,


On Thu, Oct 7, 2010 at 2:05 AM, Chris Evans <scarybeasts@...il.com> wrote:
> On Wed, Oct 6, 2010 at 11:28 AM, ZDI Disclosures
> <zdi-disclosures@...pingpoint.com> wrote:
>>
>> ZDI-10-191: Adobe Reader ICC Parsing Remote Code Execution Vulnerability
>> http://www.zerodayinitiative.com/advisories/ZDI-10-191
>> October 6, 2010
>>
>> -- CVE ID:
>> CVE-2010-3621
>>
>> -- CVSS:
>> 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)
>>
>> -- Affected Vendors:
>> Adobe
>>
>> -- Affected Products:
>> Adobe Reader
>>
>> -- Vulnerability Details:
>> This vulnerability allows remote attackers to execute arbitrary code on
>> vulnerable installations of Adobe Reader. User interaction is required
>> in that a target must be coerced into opening a file or visiting a web
>> page.
>>
>> The specific flaw exists within the ACE.dll module responsible for
>> parsing ICC streams. When processing an ICC stream, the process performs
>> math on two DWORD values from the input file. If these values wrap over
>> the maximum integer value of 0xFFFFFFFF a mis-allocation can occur.
>> Later, the process uses one of the original DWORD values as a size to a
>> copy function. This can be abused by an attacker to overflow a stack
>> buffer and subsequently execute code under the context of the user
>> running the process.
>
> Well, awesome. This sounds near-identical to some issues that the Sun JRE
> had a few years back[1]. I wonder if the code shares a common lineage? :)
>
> Cheers
> Chris
> [1] - http://scary.beasts.org/security/CESA-2006-004.html
> http://scary.beasts.org/misc/jdk/badicc.jpg
> (And additional integer problems not released at the time)
> http://scary.beasts.org/misc/jdk/badicc2.jpg
> http://scary.beasts.org/misc/jdk/badicc3.jpg
> http://scary.beasts.org/misc/jdk/badicc4.jpg
> http://scary.beasts.org/security/CESA-2007-005.html
> In addition, there have been plenty of bugs against lcms[2] and Apple's ICC
> profile parser.
> So it seems like ICC profile parsing is hard ;-)
> [2] - http://scary.beasts.org/security/CESA-2009-003.html
>>
>> -- Vendor Response:
>> Adobe has issued an update to correct this vulnerability. More
>> details can be found at:
>>
>> http://www.adobe.com/support/security/bulletins/apsb10-21.html
>>
>> -- Disclosure Timeline:
>> 2010-06-23 - Vulnerability reported to vendor
>> 2010-10-06 - Coordinated public release of advisory
>>
>> -- Credit:
>> This vulnerability was discovered by:
>>    * Sebastian Apelt (www.siberas.de)
>>
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Marcio Barbado, Jr.

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