Clam AntiVirus Buffer Overflow in Freshclam Lets Remote Servers Execute Arbitrary Code
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SecurityTracker Alert ID: 1016392
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SecurityTracker URL: http://securitytracker.com/id?1016392
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CVE Reference: CVE-2006-1989
(Links to External Site)
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OSVDB Reference: 25120
(Links to External Site)
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Date: Jun 28 2006
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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): 0.80 - 0.88.1
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Description: A vulnerability was reported in Clam AntiVirus. A remote user can execute arbitrary code on the target system.
The 'freshclam' utility does not properly validate user-supplied HTTP headers. When a remote server returns a server response to
the connected freshclam client, the remote server can send a specially crafted server response to trigger a stack overflow and execute
arbitrary code on the target system.
This vulnerability was originally reported in April 2006.
Ulf Harnhammar discovered this
vulnerability.
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Impact: A remote user can execute arbitrary code on the target system.
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Solution: The vendor has issued a fixed version (0.88.2).
The vendor's advisory is available at:
http://www.clamav.net/security/0.88.2.html
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Vendor URL: www.clamav.net/security/0.88.2.html (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:
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: Tue, 27 Jun 2006 21:39:26 -0400
Subject: Clam AntiVirus vulnerability
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From April 2006:
Security advisory: 0.88.2
* CVE: CVE-2006-1989
* Status: Moderate risk
* Vulnerable: ClamAV 0.80 - 0.88.1
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