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ZDI-11-080: Adobe Shockwave CSWV Chunk Substructure Offset Value Remote Code Execution Vulnerability

Description

ZDI-11-080: Adobe Shockwave CSWV Chunk Substructure Offset Value Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-11-080 February 8, 2011 -- CVE ID: CVE-2010-4190 -- CVSS: 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C) -- Affected Vendors: Adobe -- Affected Products: Adobe Shockwave Player -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of the Adobe Shockwave Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the code responsible for parsing substructures referenced by the CSWV RIFF chunk. An offset is improperly calculated from several elements of a substructure. By crafting a director file in a particular way, an attacker can cause the process to seek out of the bounds of a heap allocation. Due to the way the process continues to manipulate memory, an attacker can force reliable corruption that can be leveraged 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/apsb11-01.html -- Disclosure Timeline: 2010-11-29 - Vulnerability reported to vendor 2011-02-08 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Aniway (Aniway.Anyway@gmail.com) * Luigi Auriemma -- 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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