Advisory Details

April 3rd, 2014

Apple QuickTime stsz Atom Remote Code Execution Vulnerability

ZDI-14-045
ZDI-CAN-1860

CVE ID CVE-2014-1244
CVSS SCORE 10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Apple
AFFECTED PRODUCTS QuickTime 7.3
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 handling of the stsz atom. By creating a deliberately malformed stsz atom, an attacker is able to cause a heap overflow within the QuickTime parser. Using this vulnerability, an attacker can 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
  • 2013-07-13 - Vulnerability reported to vendor
  • 2014-04-03 - Coordinated public release of advisory
CREDIT Tom Gallagher & Paul Bates
BACK TO ADVISORIES