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>> ClamAV Freshclam HTTP Header Size Client-Side Buffer Overflow Vulnerability
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Title : ClamAV Freshclam HTTP Header Size Client-Side Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2006-1586
CVE ID : CVE-2006-1989
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-05-01
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A vulnerability was identified in Clam AntiVirus (ClamAV), which may be exploited by attackers to execute arbitrary code. This flaw is due to a buffer overflow error in the HTTP client in the Freshclam command line utility that does not properly handle an overly large HTTP header size (more than 8 KB) received from a web server, which could be exploited by attackers to compromise a vulnerable system by convincing a user to download virus signature updates from a specially crafted web server.
Affected Products
Clam AntiVirus (ClamAV) version 0.80 through 0.88.1
Solution
Upgrade to Clam AntiVirus version 0.88.2 :
http://sourceforge.net/projects/clamav/
References
http://www.vupen.com/english/advisories/2006/1586
http://www.clamav.net/security/0.88.2.html
Credits
Vulnerability reported by Ulf Härnhammar
ChangeLog
2006-05-01 : Initial release
Vulnerability Management
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