Adobe Flash Player NetStream addBytes Remote Code Execution

2012-04-09 / 2012-08-15
Credit: VUPEN
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

ZDI-12-057 : (Pwn2Own) Adobe Flash Player NetStream addBytes Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-12-057 April 9, 2012 - -- CVE ID: - -- CVSS: 9, AV:N/AC:L/Au:N/C:P/I:P/A:C - -- Affected Vendors: Adobe - -- Affected Products: Adobe Flash Player - -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 12183. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com - -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash 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 way Flash Player handles the update of a NetStream object via the appendBytes method which can lead to a use-after-free condition when the function returns. This can result in remote code execution under the context of the current process. - -- Vendor Response: Adobe states: http://www.adobe.com/support/security/bulletins/apsb12-07.html - -- Disclosure Timeline: 2012-03-12 - Vulnerability reported to vendor 2012-04-09 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * VUPEN Vulnerability Research Team http://www.vupen.com - -- 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

References:

http://twitter.com/thezdi
http://www.zerodayinitiative.com/advisories/disclosure_policy/
http://www.adobe.com/support/security/bulletins/apsb12-07.html


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