CVE-2013-0198

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-03-05 · updated 2026-06-16
Weakness: CWE-20

Description

Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from prohibited interfaces, which allows remote attackers 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.

Affected products

Simon Kelley dnsmasq: through 2.65

References

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

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