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KVIrc Multiple "irc://" URI Handling Vulnerabilities
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Secunia Advisory:
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SA32410
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Release Date:
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2008-10-27
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Last Update:
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2009-10-16
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Popularity:
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2,381 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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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: | KVIrc 3.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Some vulnerabilities have been discovered in KVIrc, which potentially can be exploited by malicious people to compromise a user's system.
1) A format string error while processing URIs can be exploited e.g. by tricking a user into opening a specially crafted "irc://" URI.
Successful exploitation may allow execution of arbitrary code, but requires that KVIrc is the default handler for IRC URIs.
2) Certain parts of the URI are not properly sanitised when building the command for KVIrc's internal script system. This can be exploited to inject and execute commands for the KVIrc script system (including the "run" command, which can be leveraged to execute shell commands) by e.g. tricking a user into opening a malicious "irc://" (or similar URI like "irc6://") URI.
Vulnerability #1 is confirmed in version 3.4.0 on Windows and vulnerability #2 is confirmed in version 3.4.2. Other versions may also be affected.
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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