Kvirc: Security Vulnerabilities
The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \r and \40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.
CVSS Score
6.5
EPSS Score
0.113
Published
2010-08-02
Multiple format string vulnerabilities in the DCC functionality in KVIrc 3.4 and 4.0 have unspecified impact and remote attack vectors.
CVSS Score
10.0
EPSS Score
0.031
Published
2010-06-29
Directory traversal vulnerability in the DCC functionality in KVIrc 3.4 and 4.0 allows remote attackers to overwrite arbitrary files via unknown vectors.
CVSS Score
9.3
EPSS Score
0.014
Published
2010-06-29
Argument injection vulnerability in the URI handler in KVIrc 3.4.2 Shiny allows remote attackers to execute arbitrary commands via a " (quote) followed by command line switches in a (1) irc:///, (2) irc6:///, (3) ircs:///, or (4) and ircs6:/// URI. NOTE: this might be due to an incomplete fix for CVE-2007-2951.
CVSS Score
9.3
EPSS Score
0.033
Published
2009-08-25
Format string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format string specifiers in the irc:// URI.
CVSS Score
7.6
EPSS Score
0.188
Published
2008-10-27
The parseIrcUrl function in src/kvirc/kernel/kvi_ircurl.cpp in KVIrc 3.2.0 allows user-assisted remote attackers to execute arbitrary commands via shell metacharacters in an (1) irc:// or (2) irc6:// URI.
CVSS Score
9.3
EPSS Score
0.027
Published
2007-06-26
Directory traversal vulnerability in KVIrc IRC client 0.9.0 with the "Listen to !nick <soundname> requests" option enabled allows remote attackers to read arbitrary files via a .. (dot dot) in a DCC GET request.
CVSS Score
5.0
EPSS Score
0.013
Published
1999-09-24