Clam AntiVirus PE File Heap Overflow Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1017068
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SecurityTracker URL: http://securitytracker.com/id?1017068
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CVE Reference: CVE-2006-4182
, CVE-2006-5295
(Links to External Site)
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Updated: Oct 17 2006
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Original Entry Date: Oct 16 2006
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Impact: Denial of service via network, 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): prior to 0.88.5
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Description: A vulnerability was reported in Clam AntiVirus. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can also cause denial of service conditions.
A remote user can create a specially crafted PE file that, when processed by the target application, will trigger a heap overflow
and execute arbitrary code on the target system. The code will run with the privileges of the target user.
A remote user can
send a specially crafted CHM file that, when processed by the target application, will cause the application to crash.
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Impact: A remote user can execute arbitrary code on the target system.
A remote user can cause the target application to crash.
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Solution: The vendor has issued a fixed version (0.88.5).
The Clam AntiVirus advisory is available at:
http://sourceforge.net/project/shownotes.php?release_id=455799
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Vendor URL: www.clamav.net (Links to External Site)
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Cause: Boundary error, Exception handling error
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Underlying OS: Linux (Any), UNIX (Any)
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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: Mon, 16 Oct 2006 10:14:54 -0400
Subject: Clam AntiVirus vulnerability
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http://sourceforge.net/project/shownotes.php?release_id=455799
> This version fixes a crash in the CHM unpacker and a heap overflow in the function
> rebuilding PE files after unpacking.
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