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Family: Gain a shell remotely --> Category: infos

Kerio WebMail v5 multiple flaws Vulnerability Scan

Vulnerability Scan Summary
Checks for Kerio MailServer

Detailed Explanation for this Vulnerability Test

The remote host is running version 5 of the Kerio MailServer.

There are multiple flaws in this interface which may allow
a possible hacker with a valid webmail account on this host
to obtain a shell on this host or to perform
a cross-site-scripting attack against this host
with version prior to 5.6.4.

Version of MailServer prior to 5.6.5 are also prone to a
enial of service condition when an incorrect login to the
admin console occurs. This could cause the server to crash.

Version of MailServer prior to 5.7.7 is prone to a remotely
exploitable buffer overrun condition.
This vulnerability exists in the spam filter component.
If successfully exploited, this could permit remote attackers
to execute arbitrary code in the context of the MailServer software.
This could also cause a denial of service in the server.

*** This might be a false positive, as Nessus did not have
*** the proper credentials to acertain if the remote Kerio
*** is affected by this flaw.

Solution : Upgrade to Kerio MailServer 5.7.7 or newer
Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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