Apple QuickTime STSZ Atom Parsing Heap Corruption VulnerabilityZDI-08-059: September 9th, 2008
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6148. For further product information on the TippingPoint IPS:
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 in the handling of STSZ atoms within the function CallComponentFunctionWithStorage(). When an entry in the sample_size_table is too large, a memory corruption occurs which can be further leveraged to execute arbitrary code under the context of the current user.
Vendor ResponseApple has issued an update to correct this vulnerability. More details can be found at:
2008-05-15 - Vulnerability reported to vendor
2008-09-09 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: