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UniChat Character Handling Denial of Service Vulnerability
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Secunia Advisory:
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SA10163
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Release Date:
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2003-11-07
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Popularity:
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5,983 views
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Critical:
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Less 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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Unpatched
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| Software: | UniChat 2.x
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Description:
A vulnerability has been reported in Unichat, which can be exploited by malicious users to crash other user's clients.
The vulnerability is caused due to an error when handling characters. This can be exploited by adding additional characters to the file "u2res000.rit", which will crash other user's clients when a chatroom is visited.
It is also possible for malicious users to manipulate room names because the "Only ops set topic" option isn't set. This can eg. be exploited by logging on a UniChat server with a mIRC client.
Reportedly, other unspecified issues are also present.
Solution:
Use another product.
Provided and/or discovered by:
DarkKnight
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About this Secunia Advisory
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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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