CVE-2012-3411

Dnsmasq before 2.63test1, when used with certain libvirt configurations, replies to requests from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed DNS query.

• CWE-20

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372Issue Tracking, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0276.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0277.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0579.htmlThird Party Advisory
• http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=2f38141f434e23292f84cefc33e8de76fb856147
• http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=54dd393f3938fc0c19088fbd319b95e37d81a2b0
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:072Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/07/12/5Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/54353Third Party Advisory, VDB Entry
• http://www.thekelleys.org.uk/dnsmasq/CHANGELOGRelease Notes, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=833033Issue Tracking, Patch, Third Party Advisory
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372Issue Tracking, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0276.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0277.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0579.htmlThird Party Advisory
• http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=2f38141f434e23292f84cefc33e8de76fb856147
• http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=54dd393f3938fc0c19088fbd319b95e37d81a2b0
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:072Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/07/12/5Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/54353Third Party Advisory, VDB Entry
• http://www.thekelleys.org.uk/dnsmasq/CHANGELOGRelease Notes, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=833033Issue Tracking, Patch, Third Party Advisory

Published

Mar 5, 2013

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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