Advisory Details

January 27th, 2015

Apple Mac OS X DFont Memory Corruption Remote Code Execution Vulnerability

CVE ID	CVE-2014-4484
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	OS X
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Mac OSX. 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 parsing of a dfont file. When processing a malformed dfont file, a specified value is parsed from the file and passed to the memmove API call which can cause memory corruption. A remote attacker can use this to execute remote code under the context of the user.
ADDITIONAL DETAILS	Apple has issued an update to correct this vulnerability. More details can be found at: http://support.apple.com/en-us/HT204244
DISCLOSURE TIMELINE	2014-10-22 - Vulnerability reported to vendor 2015-01-27 - Coordinated public release of advisory
CREDIT	Gaurav Baruah

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