CVE-2013-0198
Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-0198- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-0198- Updated
- 2026-11-02
EUVDEUVD-2013-0234 No score
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.
- Record
EUVD-2013-0234- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3pxx-76hx-4rw2 No score
Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from...
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.
- Record
GHSA-3pxx-76hx-4rw2- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVBELL-CVE-2013-0198
CVE-2013-0198 does not affect BellSoft software
- Record
BELL-CVE-2013-0198- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2013-0198- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-0198 No score
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.
- Record
DEBIAN-CVE-2013-0198- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-0198 is a medium vulnerability (CVSS 5.0) in Thekelleys Dnsmasq, published March 4, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.79%, the 86th percentile. Fixed in dnsmasq 2.66-1.
References
bugzilla.redhat.com/show_bug.cgi?id=894486
mandriva.com/security/advisories?name=MDVSA-2013:072
thekelleys.org.uk/gitweb?p=dnsmasq.git%3Ba=commitdiff%3Bh=22ce550e5346947a12a781ed0959a7b1165d0dc6
openwall.com/lists/oss-security/2013/01/18/7
nvd.nist.gov/vuln/detail/CVE-2013-0198