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SecurityAlert : 6973 CVE : CVE-2009-4246 CWE : CWE-119 SecurityRisk : High  (About) Remote Exploit : Yes Local Exploit : No Victim interaction required : Yes Exploit Available : No Credit : ZDI Published : 27.01.2010
Advisory Content : ZDI-10-010: RealNetworks RealPlayer Skin Parsing Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-010 January 21, 2010 -- CVE ID: CVE-2009-4246 -- Affected Vendors: RealNetworks -- Affected Products: RealNetworks RealPlayer -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 8493. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute code on vulnerable installations of RealNetworks RealPlayer. User interaction is required in that a user must visit a malicious website or open a malicious file and accept a dialog to switch player skins. The specific flaw exists during parsing of malformed RealPlayer .RJS skin files. While loading a skin the application copies certain variable length fields from the extracted file named web.xmb into a statically sized buffer. By crafting these fields appropriately an attack can cause the process to overflow the buffer. This can be leveraged to execute arbitrary code with the privileges of the application. -- Vendor Response: RealNetworks has issued an update to correct this vulnerability. More details can be found at: http://service.real.com/realplayer/security/01192010_player/en/ -- Disclosure Timeline: 2009-01-15 - Vulnerability reported to vendor 2010-01-21 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Peter Vreugdenhil (security (at) petervreugdenhil (dot) nl [email concealed]) -- 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/ References : http://www.zerodayinitiative.com/advisories/ZDI-10-010/
http://www.vupen.com/english/advisories/2010/0178
http://service.real.com/realplayer/security/01192010_player/en/
http://securitytracker.com/id?1023489
http://xforce.iss.net/xforce/xfdb/55799
http://www.securityfocus.com/bid/37880
http://www.securityfocus.com/archive/1/archive/1/509104/100/0/threaded
http://secunia.com/advisories/38218  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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