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[ GLSA 200709-02 ] KVIrc: Remote arbitrary code execution
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GLSA
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Joined: 12 May 2004
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PostPosted: Thu Sep 13, 2007 7:26 pm    Post subject: [ GLSA 200709-02 ] KVIrc: Remote arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: KVIrc: Remote arbitrary code execution (GLSA 200709-02)
Severity: normal
Exploitable: remote
Date: September 13, 2007
Bug(s): #183174
ID: 200709-02

Synopsis


A vulnerability has been discovered in KVIrc, allowing for the remote
execution of arbitrary code.


Background


KVIrc is a free portable IRC client based on Qt.


Affected Packages

Package: net-irc/kvirc
Vulnerable: < 3.2.6_pre20070714
Unaffected: >= 3.2.6_pre20070714
Architectures: All supported architectures


Description


Stefan Cornelius from Secunia Research discovered that the
"parseIrcUrl()" function in file src/kvirc/kernel/kvi_ircurl.cpp does
not properly sanitise parts of the URI when building the command for
KVIrc's internal script system.


Impact


A remote attacker could entice a user to open a specially crafted
irc:// URI, possibly leading to the remote execution of arbitrary code
with the privileges of the user running KVIrc. Successful exploitation
requires that KVIrc is registered as the default handler for irc:// or
similar URIs.


Workaround


There is no known workaround at this time.


Resolution


All KVIrc users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=net-irc/kvirc-3.2.6_pre20070714"


References

CVE-2007-2951


Last edited by GLSA on Thu Sep 27, 2012 4:24 am; edited 2 times in total
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