CVE-2013-0198
MEDIUM severity · CVSS 5 · Improper input validation
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)3%
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.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=894486 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=894486Patch
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:072Advisory
- http://www.openwall.com/lists/oss-security/2013/01/18/2Advisory
- http://www.openwall.com/lists/oss-security/2013/01/18/7Advisory
- http://www.thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=22ce550e5346947a12a781ed0959a7b1165d0dc6