Apple QuickTime PICT Unspecified Tag Heap Overflow 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 when the application parses a malformed .PICT image. While decoding a tag 0x77 in the image, the application misuses a 16-bit length when allocating tag data. When copying tag data into this buffer, a heap overflow occurs. This can lead to code execution under the context of the current user.
Additional Details
Apple has issued an update to correct this vulnerability. More details can be found at:
http://support.apple.com/kb/HT3549
Disclosure Timeline
- 2009-04-15 - Vulnerability reported to vendor
- 2009-05-13 - Coordinated public release of advisory
Credit
Damian Put, Sebastian Apelt
