Advisory Details

February 23rd, 2015

Mozilla Firefox DirectionalityUtils Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2014-1581
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 ['16793']. 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 bi-directional unicode text. The issue lies in the failure to properly handle text that has its bi-directional character type changed. An attacker can leverage this vulnerability to execute code under 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/mfsa2014-79/
DISCLOSURE TIMELINE	2014-09-16 - Vulnerability reported to vendor 2015-02-23 - Coordinated public release of advisory
CREDIT	regenrecht

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