Advisory Details

April 3rd, 2014

Apple QuickTime stsz Atom Remote Code Execution Vulnerability

ZDI-14-047
ZDI-CAN-1939

CVE ID CVE-2014-1245
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 processing of the stsz atom. By providing a malicious value inside of the stsz atom, an attacker is able to influence the destination of a data write. An attacker could use this vulnerability to execute arbitrary code in the context of the viewing 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 Tom Gallagher & Paul Bates
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