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>> Hexamail Server "USER" Command Processing Buffer Overflow Vulnerability
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Title : Hexamail Server "USER" Command Processing Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2007-3044
CVE ID : CVE-2007-4646
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-09-04
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A vulnerability has been identified in Hexamail Server, which could be exploited by remote attackers to take complete control of an affected system. This issue is caused by a buffer overflow error in the POP3 module when processing an overly long argument passed to the "USER" command, which could be exploited by remote unauthenticated attackers to crash an affected server or execute arbitrary code via a specially crafted request.
Affected Products
Hexamail Server version 3.0.0.001 and prior
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2007/3044
http://retrogod.altervista.org/hexamail_bof.html
Credits
Vulnerability reported by rgod.
ChangeLog
2007-09-04 : Initial release
Vulnerability Management
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