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Skype File URI Code Execution Vulnerability

ERCOLINO

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Secunia Advisory: SA30547
Release Date: 2008-06-05

Critical: Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:
Skype for Windows 1.x
Skype for Windows 2.x
Skype for Windows 3.x


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.

Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.

Solution:
Update to version 3.8.0.139.



Bollettino di Sicurezza
http://www.skype.com/download/skype/windows/
 
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