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MDaemon WorldClient LookOut Theme Inbox Denial of Service Weakness
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Secunia Advisory:
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SA17990
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Release Date:
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2005-12-12
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Last Update:
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2006-01-13
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Popularity:
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10,778 views
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Critical:
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Not critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | MDaemon 8.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:
dr_insane has discovered a weakness in MDaemon, which can be exploited by malicious people to cause a DoS (Denial of Service).
The weakness is caused due to an error in the WorldClient webmail's "LookOut" Theme when displaying the user's inbox when the "Subject" header of a received email contains Javascript tags. This can be exploited to prevent a user from correctly accessing his Inbox from the webmail via a specially crafted email containing "<script></script>" in the "Subject" field.
Successful exploitation requires that the user uses the default "LookOut" Theme.
The weakness has been confirmed in version 8.1.3. Other versions may also be affected.
Note: It is also reportedly possible to logout another user if the 7 uppercase-only Session ID of that user is guessed correctly, and the other user is accessing the webmail server from the same IP address as the attacker (e.g. via the same proxy server).
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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