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ZDI-10-071: Adobe Reader TrueType Font Handling Remote Code Execution Vulnerability

ZDI-10-071: Adobe Reader TrueType Font Handling Remote Code Execution Vulnerability
April 13, 2010

-- CVE ID:

-- Affected Vendors:

-- Affected Products:
Adobe Reader

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9668. 
For further product information on the TippingPoint IPS, visit:


-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Adobe's Acrobat Reader. User interaction is
required in that the victim must be coerced into opening a malicious
document or visiting a malicious URL.

The specific flaw exists within the parsing of embedded fonts inside a
PDF document. Upon parsing particular tables out of a font file the
application will miscalculate an index used for seeking into a buffer.
Later the application will begin to copy data into the calculated
pointer corrupting the referenced data structure. Successful
exploitation will lead to code execution under the context of the

-- Vendor Response:
Adobe has issued an update to correct this vulnerability. More
details can be found at:


-- Disclosure Timeline:
2010-02-18 - Vulnerability reported to vendor
2010-04-13 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

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