Apple Quicktime TeXML Karaoke Element Parsing Remote Code Execution VulnerabilityZDI-12-109: June 28th, 2012
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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 parsing of XML elements within a TeXML file. Specifically, when handling the karaoke XML element the code within QuickTime3GPP.qtx does not properly validate the length of the data within specific sub-fields. By providing specially crafted data, the code can be made to copy too much data into a fixed-length buffer on the stack. Exploitation of this vulnerability could allow a remote attacker to execute arbitrary code under the context of the user running Quicktime.
Vendor ResponseApple states:
2011-11-04 - Vulnerability reported to vendor
2012-06-28 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: