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Mercur Mailserver AUTH Command Denial of Service Vulnerability
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Secunia Advisory:
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SA10038
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Release Date:
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2003-10-21
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Last Update:
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2003-11-12
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Popularity:
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5,917 views
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Critical:
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Highly critical
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Impact:
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DoS
System access
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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: | Mercur Mailserver 4.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been identified in Mercur Mailserver, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the Base64 decoding routine when handling data supplied with the "AUTH" command. This can be exploited by supplying overly long, specially crafted login data, which causes a buffer overflow.
Successful exploitation crashes the Mercur services or allows execution of arbitrary code on the vulnerable system.
The vulnerability affects version 4.2 without SP3a installed.
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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