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Mail Transport System Professional Mail Relay Vulnerability
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Secunia Advisory:
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SA19067
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Release Date:
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2006-03-01
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Last Update:
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2006-07-20
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Popularity:
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5,969 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Mail Transport System (MTS) Professional 1.x
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in Mail Transport System (MTS) Professional, which can be exploited by malicious people to use it as an open mail relay.
The vulnerability is caused due to an error in the SMTP service within the handling of banned IP addresses when the "MAIL FROM" header contains an e-mail address from the local domain. This can be exploited to relay mails through the SMTP service even when the IP address has been blocked.
Successful exploitation requires that the attacker connects from a banned IP address and that the service has been configured to only reject connections after the client has sent the "RCPT TO" command.
The vulnerability has been reported in MTS Professional with mtssmtp.exe version 1.61.1.84 and prior.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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