Apple QuickTime stsz Atom Remote Code Execution Vulnerability
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
