Advisory Details

December 19th, 2016

Mozilla Firefox ClearKeyDecryptor Heap Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2016-2837
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Mozilla
AFFECTED PRODUCTS	Firefox
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['24745']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 within the handling of ClearKey encrypted media. The issue lies in the failure to validate the length of encrypted data prior to copying into a heap-based buffer. An attacker can leverage this vulnerability to execute code within the context of the current process.
ADDITIONAL DETAILS	Mozilla has issued an update to correct this vulnerability. More details can be found at: https://www.mozilla.org/en-US/security/advisories/mfsa2016-77/
DISCLOSURE TIMELINE	2016-05-20 - Vulnerability reported to vendor 2016-12-19 - Coordinated public release of advisory
CREDIT	Anonymous

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