Published: 05/03/2013 Updated: 07/11/2023

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

VMScore: 445

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

Dnsmasq prior to 2.66test2, when used with certain libvirt configurations, replies to queries from prohibited interfaces, which allows remote malicious users to cause a denial of service (traffic amplification) via spoofed TCP based DNS queries. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3411.

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thekelleys dnsmasq

Debian Bug report logs - #683372 CVE-2012-3411: libvirt-controlled dnsmasq replies to DNS queries from non-virtual networks Package: dnsmasq; Maintainer for dnsmasq is Simon Kelley <simon@thekelleysorguk>; Source for dnsmasq is src:dnsmasq (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <muehlenhoff@univentionde& ...

CWE-20 https://bugzilla.redhat.com/show_bug.cgi?id=894486 http://www.openwall.com/lists/oss-security/2013/01/18/7 http://www.openwall.com/lists/oss-security/2013/01/18/2 http://www.mandriva.com/security/advisories?name=MDVSA-2013:072 http://www.thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=22ce550e5346947a12a781ed0959a7b1165d0dc6 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372 https://nvd.nist.gov

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