Advisory Details

April 3rd, 2014

Apple QuickTime ftab Atom Remote Code Execution Vulnerability

ZDI-14-048
ZDI-CAN-1943

CVE ID CVE-2014-1246
CVSS SCORE 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Apple
AFFECTED PRODUCTS QuickTime
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple QuickTime. 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 the ftab atom. By providing an overly large font name, an attacker can overflow a fixed size stack buffer. An attacker could use this vulnerability to execute arbitrary code in 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/kb/HT1222
DISCLOSURE TIMELINE
  • 2013-09-21 - Vulnerability reported to vendor
  • 2014-04-03 - Coordinated public release of advisory
CREDIT Anonymous
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