BugTraq
ZDI-08-074: Adobe Acrobat PDF Javascript getCosObj Memory Corruption Vulnerability Nov 04 2008 08:54PM
zdi-disclosures 3com com
ZDI-08-074: Adobe Acrobat PDF Javascript getCosObj Memory Corruption

Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-08-074

November 4, 2008

-- CVE ID:

CVE-2008-4813

-- Affected Vendors:

Adobe

-- Affected Products:

Adobe Acrobat

-- TippingPoint(TM) IPS Customer Protection:

TippingPoint IPS customers have been protected against this

vulnerability by Digital Vaccine protection filter ID 5941.

For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details:

This vulnerability allows remote attackers to execute code on vulnerable

installations of Adobe Acrobat. User interaction is required in that a

user must visit a malicious web site.

The specific flaw exists when processing malicious javascript contained

in a PDF document. When creating a Collab object and performing a

specific sequence of actions on it, memory corruption occurs potentially

resulting in remote code execution. If successfully exploited full

control of the affected machine running under the credentials of the

currently logged in user can be achieved.

-- Vendor Response:

Adobe has issued an update to correct this vulnerability. More

details can be found at:

http://www.adobe.com/support/security/bulletins/apsb08-19.html

-- Disclosure Timeline:

2008-05-12 - Vulnerability reported to vendor

2008-11-04 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by:

* Peter Vreudegnhil

-- About the Zero Day Initiative (ZDI):

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http://www.zerodayinitiative.com

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exploit code. Instead, upon notifying the affected product vendor,

TippingPoint provides its customers with zero day protection through

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specifics of the vulnerability are not exposed to any parties until

an official vendor patch is publicly available. Furthermore, with the

altruistic aim of helping to secure a broader user base, TippingPoint

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Our vulnerability disclosure policy is available online at:

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