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Credit:
The information has been provided by Charlie Miller.
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-076
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Vulnerable Systems:
Apple Preview
User interaction is required in that a target must open a malicious file or visit a malicious page.
The specific flaw exists within the routine TType1ParsingContext::SpecialEncoding() defined in libFontParser.dylib. While parsing glyphs from a PDF document, a malformed offset greater than 0x400 can result in a heap corruption which can be leveraged by an attacker to execute arbitrary code under the context of the current user.
Patch Availability:
Apple has issued an update to correct this vulnerability. More details can be found at:
http://support.apple.com/kb/HT4131
CVE Information:
CVE-2010-1120
Disclosure Timeline:
2010-03-26 - Vulnerability reported to vendor
2010-04-14 - Coordinated public release of advisory
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