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Visual IRC JOIN Command Response Processing Buffer Overflow
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Secunia Advisory:
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SA25977
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Release Date:
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2007-07-09
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Last Update:
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2007-07-11
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Popularity:
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4,916 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: | Visual IRC 2.x
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| CVE reference: | CVE-2007-3612
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Description:
Krystian Kloskowski has discovered a vulnerability in Visual IRC, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when processing an IRC server's response to a "JOIN" command. This can be exploited to cause a stack-based buffer overflow via an overly long, specially crafted string in response to the affected command.
Successful exploitation allows execution of arbitrary code, but requires that a user is e.g. tricked into connecting to a malicious IRC server.
The vulnerability is confirmed in version 2.0. Other versions may also be affected.
Solution:
Update to version 2.0pl1.
http://www.visualirc.net/download.php?name=2.0pl1
Provided and/or discovered by:
Krystian Kloskowski
Changelog:
2007-07-10: Updated "Solution" section.
2007-07-11: Added CVE reference.
Original Advisory:
http://milw0rm.com/exploits/4152
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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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