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Zero Day Initiative Advisory 10-087

Zero Day Initiative Advisory 10-087
Posted May 12, 2010
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 10-087 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Shockwave. User interaction is required in that a target visit a malicious website. The specific flaw exists within the code responsible for parsing Director files. The vulnerable function is exported as an ordinal from the iml32.dll module. Ordinal 1409 trusts a value from the file as an offset and updates pointers accordingly. By crafting a large enough value and seeking the file pointer past the end of a buffer this can be abused to corrupt heap memory. An attacker can abuse this to execute arbitrary code under the context of the user running the browser.

tags | advisory, remote, arbitrary
advisories | CVE-2010-1281
MD5 | bb1b60f2bd46c566ed9a3c3e4a15d36c

Zero Day Initiative Advisory 10-087

Change Mirror Download
ZDI-10-087: Adobe Shockwave Invalid Offset Memory Corruption Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-087
May 11, 2010

-- CVE ID:
CVE-2010-1281

-- Affected Vendors:
Adobe

-- Affected Products:
Adobe Shockwave Player

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Adobe Shockwave. User interaction is
required in that a target visit a malicious website.

The specific flaw exists within the code responsible for parsing
Director files. The vulnerable function is exported as an ordinal from
the iml32.dll module. Ordinal 1409 trusts a value from the file as an
offset and updates pointers accordingly. By crafting a large enough
value and seeking the file pointer past the end of a buffer this can be
abused to corrupt heap memory. An attacker can abuse this to execute
arbitrary code under the context of the user running the browser.

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

http://www.adobe.com/support/security/bulletins/apsb10-12.html

-- Disclosure Timeline:
2010-02-02 - Vulnerability reported to vendor
2010-05-11 - Coordinated public release of advisory

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

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
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
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

http://twitter.com/thezdi

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