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Winamp Skin File Arbitrary Code Execution Vulnerability
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Secunia Advisory:
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SA12381
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Release Date:
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2004-08-25
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Last Update:
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2004-09-06
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Critical:
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Extremely 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: | WinAMP 3.x
Winamp 5.x
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| | CVE reference: | CVE-2004-0820 (Secunia mirror)
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Description:
A vulnerability has been reported in Winamp, which can be exploited by malicious people to compromise a user's system.
The problem is caused due to insufficient restrictions on Winamp skin zip files (.wsz). This can e.g. be exploited by a malicious website using a specially crafted Winamp skin to place and execute arbitrary programs. With Internet Explorer this can be done without user interaction.
An XML document in the Winamp skin zip file can reference a HTML document using the "browser" tag and get it to run in the "Local computer zone". This can be exploited to run an executable program embedded in the Winamp skin file using the "object" tag and the "codebase" attribute.
NOTE: The vulnerability is reportedly being exploited in the wild.
The vulnerability has been confirmed on a fully patched system with Winamp 5.04 using Internet Explorer 6.0 on Microsoft Windows XP SP1.
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 5.05.
http://www.winamp.com/player/
Provided and/or discovered by:
Discovered by:
"Silent"
Reported by:
K-OTik.COM Security Survey Team
Changelog:
2004-08-26: Updated "credit" section.
2004-08-28: Vendor issues fixed version. Updated "Solution" section.
2004-09-06: Added CVE reference.
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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