Mozilla Firefox Ogg Vorbis Decoding Memory Corruption

2012.04.09
Credit: regenrecht
Risk: High
Local: No
Remote: Yes
CWE: CWE-Other


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-12-059 : Mozilla Firefox Ogg Vorbis Decoding Memory Corruption Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-12-059 April 9, 2012 - -- CVE ID: CVE-2012-0444 - -- CVSS: 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P - -- Affected Vendors: Mozilla - -- Affected Products: Mozilla Firefox - -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. 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 in the parsing of Ogg Vorbis media files. By crafting a stream with specific values , it is possible to cause a decoding loop that copies memory to write controlled data beyond the end of a fixed size buffer. An attacker can leverage this behavior to gain remote code execution under the context of the current process. - -- Vendor Response: Mozilla has issued an update to correct this vulnerability. More details can be found at: http://www.mozilla.org/security/announce/2012/mfsa2012-07.html - -- Disclosure Timeline: 2012-01-12 - Vulnerability reported to vendor 2012-04-09 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * regenrecht - -- 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.mozilla.org/security/announce/2012/mfsa2012-07.html


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