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Hexamail Server "USER" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA26666
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Release Date:
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2007-09-03
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Last Update:
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2007-09-04
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Popularity:
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4,070 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Hexamail Server 3.x
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| CVE reference: | CVE-2007-4646
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Description:
rgod has reported a vulnerability in Hexamail Server, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within pop3server when processing POP3 "USER" commands. This can be exploited to cause a heap-based buffer overflow by sending a "USER" command with an overly long parameter to the affected server.
Successful exploitation may allow execution of arbitrary code.
The vulnerability is reported in version 3.0.0.001. Prior versions may also be affected.
Solution:
Update to 3.0.1.004.
Provided and/or discovered by:
rgod
Changelog:
2007-09-04: Added CVE reference.
Original Advisory:
http://retrogod.altervista.org/hexamail_bof.html
Other References:
http://milw0rm.com/exploits/4344
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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