CVE-2012-3411
MEDIUM severity · CVSS 5 · Improper input validation
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)5%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0276.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2013-0277.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2013-0579.htmlAdvisory
- 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-2013:072Advisory
- http://www.openwall.com/lists/oss-security/2012/07/12/5Advisory