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mIRC IRC URI Handler Buffer Overflow Vulnerability
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Secunia Advisory:
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SA9996
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Release Date:
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2003-10-14
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Popularity:
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6,911 views
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Critical:
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Moderately critical
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Impact:
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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: | mIRC 6.x
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Description:
A vulnerability has been reported in mIRC, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when a browser passes input to mIRC via the "irc:" URI handler. This can be exploited by supplying an overly long, specially crafted hostname, which causes a buffer overflow.
Example:
irc://AAAA...[x998]...AAAA
Successful exploitation allows execution of arbitrary code on the user's system.
The vulnerability may be related to:
SA9906
Solution:
Update to version 6.11 or later:
http://www.mirc.com/get.html
Provided and/or discovered by:
Phuong Nguyen
Other References:
SA9906:
http://secunia.com/advisories/9906/
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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