libvirt+dnsmasq: DNS configured to answer DNS queries from non-virtual networks
Published Mar 4, 2013
5.0
MEDIUMCVSS 2.0
EPSS 5.03%
Description
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.
Affected products
No data.
Configuration 1
- ≤ 2.62
Configuration 2
- 6.0
- 6.0
- 6.0
No data.
RHEV 3.X Hypervisor and Agents for RHEL-6
rhev-hypervisor6-0:6.4-20130221.0.el6
Fixed · RHSA-2013:0579
Red Hat Enterprise Linux 6
dnsmasq-0:2.48-13.el6
Fixed · RHSA-2013:0277
Red Hat Enterprise Linux 6
libvirt-0:0.10.2-18.el6
Fixed · RHSA-2013:0276
Red Hat Storage 3 for RHEL 6
libvirt-0:0.10.2-18.el6
Fixed · RHSA-2013:0276
Red Hat Enterprise Linux 5
dnsmasq
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-6 | rhev-hypervisor6-0:6.4-20130221.0.el6 | Fixed | RHSA-2013:0579 |
| Red Hat Enterprise Linux 6 | dnsmasq-0:2.48-13.el6 | Fixed | RHSA-2013:0277 |
| Red Hat Enterprise Linux 6 | libvirt-0:0.10.2-18.el6 | Fixed | RHSA-2013:0276 |
| Red Hat Storage 3 for RHEL 6 | libvirt-0:0.10.2-18.el6 | Fixed | RHSA-2013:0276 |
| Red Hat Enterprise Linux 5 | dnsmasq | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.03% (0.05028) | 92.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.03% (0.05028) | 91.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.77% (0.00773) | 71.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.48% (0.01481) | 87.32th | v3 (v2023.03.01) |
| Oct 2, 2024 | 1.48% (0.01481) | 87.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.93% (0.02927) | 89.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.17% (0.02172) | 80.28th | v2 (v2022.01.01) |
| Feb 3, 2023 | 3.78% (0.03779) | 85.12th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (14)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372 x_refsource_MISCIssue TrackingThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0276.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0277.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0579.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=2f38141f434e23292f84cefc33e8de76fb856147 x_refsource_CONFIRM
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=54dd393f3938fc0c19088fbd319b95e37d81a2b0 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:072 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/07/12/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/54353 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG x_refsource_CONFIRMRelease NotesVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-3411 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=833033 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2012-3411
- https://www.cve.org/CVERecord?id=CVE-2012-3411
Change history (0)
No recorded changes yet.