Zinf Playlist Buffer Overflow Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1012122
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SecurityTracker URL: http://securitytracker.com/id?1012122
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CVE Reference: CAN-2004-0964
(Links to External Site)
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Date: Nov 8 2004
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 2.2.1; possibly other versions
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Description: A buffer overflow vulnerability was reported in Zinf. A remote user can execute arbitrary code on the target system.
Luigi Auriemma reported that a remote user can create a specially crafted '.pls' playlist file that, when loaded by the target user,
will trigger the buffer overflow and potentially execute arbitrary code.
A demonstration exploit is available at:
http://aluigi.altervista.org/poc/zinf-bof.pls
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Impact: A remote user can cause arbitrary code to be executed on the target system with the privileges of the target user.
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Solution: The vendor has issued a fixed version for Linux/UNIX, available at:
http://www.zinf.org/download.php
[Editor's note: Version
2.2.5 reportedly contains the fix. It is unclear if any earlier versions also contain the fix.]
The latest Windows version (2.2.1)
is still vulnerable.
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Vendor URL: www.zinf.org/ (Links to External Site)
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Cause: Boundary error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Reported By: Luigi Auriemma <aluigi@autistici.org>
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Fri, 24 Sep 2004 21:31:02 +0000
From: Luigi Auriemma <aluigi@autistici.org>
Subject: Buffer overflow in Zinf 2.2.1 for Win32
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I don't know why this bug has not been tracked but moreover I don't
completely know why it has not been fixed yet in the Windows version of
Zinf.
In short, Zinf is an audio player for Linux and Windows: http://www.zinf.org
The latest Linux version is 2.2.5 while the latest Windows version is 2.2.1
which is still vulnerable to a buffer-overflow bug in the management of the
playlist files ".pls".
This bug has been found and fixed by the same developers in the recent
versions for Linux but, as already said, the vulnerable Windows version is
still downloadable and can be exploited locally and remotely through the web
browser and a malicious pls file.
A simple proof-of-concept to test the bug is available here:
http://aluigi.altervista.org/poc/zinf-bof.pls
That's all, just to keep track of this bug and to warn who uses the Windows
version.
BYEZ
---
Luigi Auriemma
http://aluigi.altervista.org
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