RealNetworks RealPlayer RV10 Encoded Height/Width Remote Code Execution

Credit: ZDI
Risk: High
Local: No
Remote: Yes

CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ZDI-12-084 : RealNetworks RealPlayer RV10 Encoded Height/Width Remote Code Execution Vulnerability June 6, 2012 - -- CVE ID: CVE-2012-0926 - -- CVSS: 9, AV:N/AC:L/Au:N/C:P/I:P/A:C - -- Affected Vendors: RealNetworks - -- Affected Products: RealNetworks RealPlayer - -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of RealNetworks RealPlayer. User interaction is required in that a target must visit a malicious page or open a malicious file. The flaw exists within the RV10 encoded data in the rv10.dll component. When encountering an invalid encoded height or width field the process miscalculates an offset while preparing to decode the data packets which constitute the stream. The process attempts to store data at this location. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the process. - -- Vendor Response: RealNetworks has issued an update to correct this vulnerability. More details can be found at: - -- Disclosure Timeline: 2011-10-21 - Vulnerability reported to vendor 2012-06-06 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * Dan Rosenberg of Virtual Security Research * 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: 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: Follow the ZDI on Twitter: -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 10.2.0 (Build 1950) Charset: utf-8 wsBVAwUBT8/gJlVtgMGTo1scAQKysAf/a3omNgVBs883i5UWi+yMCG6wzMfAKQiE gwUTl9JiECyGVuN6EJcMQg4cdqVkCqtZNl1j7JPhndfpaXjymsN4A4hyMQ8oSl+W Cfs+IBapazEpSpHUGR8iQB/JuyW5q7NhgfMpp202prTpRG568TVv/y/0pqMjB1wr Znn3lYhEVt8HroFKLFVRKZAjgpCAQ1uwKU98gsz453NC2c0tV3fdmcNJX0056nJF Mid+W9YMPq9jexJmNMbLPho5DNRHq2BLvZazX+EV1W2YoxI6XSIigNELnhlHwITI WOk+3fDDvCDxWXzXaHjtS34g726n3is0ZnoUCrEuh9JbU5DdZyYmMQ== =ipn9 -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: Hosted and sponsored by Secunia -


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