iTunes remote memory corruption vulnerability

2007.02.23
Credit: poplix
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other


CVSS Base Score: 2.6/10
Impact Subscore: 2.9/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

Hi, iTunes for both macosx and win is prone to a remote memory corruption vulnerability when parsing xml. iTunes will parse xml when it contacts a touning server which will return the list of radio channels in that format. To trigger this bug is sufficent to send to iTunes an xml file containing the following lines: <?die with your boots on?> <kb:station_record> <kb:station_url_record> </kb:station_url_record> Unfortunately i dont know how to trigger remote code execution (if it's possible). Please let me know of someone is able to "do something" with this bug.. Note that iTunes will always contact pri.kts-af.net as touning server so dns spoofing is mandatory to exploit this issue. Also note that in many cases the bug can be triggered only if iTunes had never parsed a valid xml file. This bug has been tested against iTunes 7.0.2 on both ppc and intel architectures cheers -p


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