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Skype File URI Code Execution Vulnerability
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Secunia Advisory:
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SA30547
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Release Date:
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2008-06-05
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Last Update:
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2008-06-12
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Popularity:
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4,621 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Skype for Windows 1.x
Skype for Windows 2.x
Skype for Windows 3.x
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| CVE reference: | CVE-2008-1805
CVE-2008-2545
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Description:
A vulnerability has been reported in Skype, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an error in the handling of "file:" URIs, which can be exploited to bypass the security warning for blacklisted file extensions e.g. via a "file:" URI containing upper case characters in the file extension.
Successful exploitation allows execution of arbitrary code, but requires that a user is tricked into clicking on a specially crafted "file:" URI.
The vulnerability is reported in version 3.8.*.115 and prior.
Solution:
Update to version 3.8.0.139.
http://www.skype.com/download/skype/windows/
Provided and/or discovered by:
Ismael Briones, reported via iDefense
Changelog:
2008-06-12: Added CVE reference.
Original Advisory:
Skype:
http://www.skype.com/security/skype-sb-2008-003.html
iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=711
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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