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Winamp 5.581 Code Execution

Winamp 5.581 Code Execution
Posted Dec 21, 2010
Authored by JODE | Site nsense.fi

Winamp version 5.581 suffers from an issue where a MIDI file format parsing vulnerability exists in the in_midi plugin and can be exploited with a specially crafted input file. The plugin suffers from an integer wrapping flaw which leads to a heap overflow. If an attacker is able to entice the user to open a malicious file, successful exploitation leads to code being executed in the context of the logged in user.

tags | advisory, overflow
advisories | CVE-2010-4370
SHA-256 | a8b8f3e3e25c067189ac39da517a2ec77d8b99282a4a9bfc5fe1ba596e26901d

Winamp 5.581 Code Execution

Change Mirror Download
       nSense Vulnerability Research Security Advisory NSENSE-2010-005
---------------------------------------------------------------

Affected Vendor: Nullsoft
Affected Product: Winamp 5.581 (possibly older versions)
Platform: Windows
Impact: Local code execution
Vendor response: Patch
CVE: CVE-2010-4370
CVSS2: 9.3 - (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Credit: JODE

Technical details
---------------------------------------------------------------

A MIDI file format parsing vulnerability exists in the in_midi
plugin and can be exploited with a specially crafted input
file. The plugin suffers from an integer wrapping flaw which
leads to a heap overflow.

If an attacker is able to entice the user to open a malicious
file, successful exploitation leads to code being executed in
the context of the logged in user.

Solution
Upgrade to 5.6 or later.

More information
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-4370
http://forums.winamp.com/showthread.php?threadid=159785

Timeline:
November 18th Contacted vendor
November 18th Vendor responded
November 24th More information sent to vendor
December 1st Vendor released the fix
December 20th Advisory released

Links:
http://www.nsense.fi http://www.nsense.dk



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