CVE-2017-15107

Description

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory opensuse.org Vendor Advisory org.uk
Affected: Simon Kelley dnsmasq
Published at:
Updated at:

References

Link Tags
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html mailing list vendor advisory
http://www.securityfocus.com/bid/102812 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00027.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-15107?
CVE-2017-15107 has been scored as a high severity vulnerability.
How to fix CVE-2017-15107?
To fix CVE-2017-15107, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15107 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15107 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-15107?
CVE-2017-15107 affects Simon Kelley dnsmasq.
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