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Vulnerability record · CVE-2010-2785 · published 2 August 2010

CVE-2010-2785: Kvirc vulnerability

Kvirc · Kvirc

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.

6.5 CVSS 2.0 Medium EPSS 7.6% · top 5.7%
6.5CVSS 2.0 base score
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.gentoo.org/show_bug.cgi?id=330111
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044625.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044643.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://marc.info/?l=oss-security&m=128041011428629&w=2 Patch
http://openwall.com/lists/oss-security/2010/07/28/1 Patch
http://secunia.com/advisories/40727 Vendor Advisory
http://secunia.com/advisories/40796 Vendor Advisory
http://www.osvdb.org/66648
https://svn.kvirc.de/kvirc/changeset/4693 Patch
https://svn.kvirc.de/kvirc/ticket/858 Patch
http://bugs.gentoo.org/show_bug.cgi?id=330111
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044625.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044643.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://marc.info/?l=oss-security&m=128041011428629&w=2 Patch
http://openwall.com/lists/oss-security/2010/07/28/1 Patch
http://secunia.com/advisories/40727 Vendor Advisory
http://secunia.com/advisories/40796 Vendor Advisory
http://www.osvdb.org/66648
https://svn.kvirc.de/kvirc/changeset/4693 Patch
https://svn.kvirc.de/kvirc/ticket/858 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2010-2451Kvirc vulnerabilityMultiple format string vulnerabilities in the DCC functionality in KVIrc 3.4 and 4.0 have unspecified impact and remote attack vectors.EPSS 2.7%9.3CVE-2010-2452Kvirc path traversal vulnerabilityDirectory traversal vulnerability in the DCC functionality in KVIrc 3.4 and 4.0 allows remote attackers to overwrite arbitrary files via unknown vect…EPSS 4.1%9.3CVE-2008-7070Kvirc code injection vulnerabilityArgument injection vulnerability in the URI handler in KVIrc 3.4.2 Shiny allows remote attackers to execute arbitrary commands via a " (quote) follow…EPSS 5.1%7.6CVE-2008-4748Kvirc improper input validation vulnerabilityFormat string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers t…EPSS 8.2%

Source: NIST National Vulnerability Database (record CVE-2010-2785), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.