Clam AntiVirus Heap Overflow in pefromupx() in Processing UPX Files Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1016645
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SecurityTracker URL: http://securitytracker.com/id?1016645
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CVE Reference: CVE-2006-4018
(Links to External Site)
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Updated: Jun 8 2008
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Original Entry Date: Aug 7 2006
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Impact: Execution of arbitrary code via network, User access via network
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Exploit Included: Yes
Vendor Confirmed: Yes
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Version(s): 0.88.3 and prior versions
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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 create a specially crafted UPX-compressed file that, when processed by Clam AntiVirus, will trigger a heap overflow
and execute arbitrary code on the target system. The code will run with the privileges of the target service.
The vulnerability
resides in the pefromupx() function in 'libclamav/upx.c'.
Damian Put reported this vulnerability.
The original advisory is
available at:
http://www.overflow.pl/adv/clamav_upx_heap.txt
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Impact: A remote user can create a UPX-compressed file that, when processed by the target system, will execute arbitrary code on the target system.
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Solution: The vendor plans to issued a fixed version (0.88.4).
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Vendor URL: www.clamav.net/ (Links to External Site)
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Cause: Boundary error
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Underlying OS: Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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Date: Mon, 7 Aug 2006 16:55:34 -0400
Subject: Clam AntiVirus Win32-UPX Heap Overflow
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http://www.overflow.pl/adv/clamav_upx_heap.txt
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