ISS Brief: Remote Buffer Overflow Vulnerability in Microsoft Exchange ServerFrom: X-Force (firstname.lastname@example.org)
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Date: Thu, 25 Jul 2002 01:14:10 -0400 (EDT) To: email@example.com From: X-Force <firstname.lastname@example.org>
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Internet Security Systems Security Brief
July 24, 2002
Remote Buffer Overflow Vulnerability in Microsoft Exchange Server
Microsoft Exchange Server Internet Mail Connector (IMC) provides SMTP
(Simple Mail Transfer Protocol) functionality. It is possible for remote
attackers to formulate a request to trigger a buffer overflow on a
vulnerable Exchange server. This flaw may allow an attacker to either
crash Exchange and block all inbound and outbound email delivery or
allow an attacker to gain complete control of the server.
Microsoft Exchange Server is typically exposed to the Internet in order
to send and receive email. Successful exploitation of this vulnerability
can occur through properly configured firewalls. Microsoft Exchange 5.5
is the most heavily deployed version of Exchange on the Internet.
Microsoft reports that over 100 million Exchange licenses have been sold
Microsoft Exchange Server version 5.5
For the complete ISS X-Force Security Advisory, please visit:
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