CVE-2018-10920

Description

Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 7.94% Top 10%
Vendor Advisory knot-resolver.cz
Affected: cz.nic knot-resolver
Published at:
Updated at:

References

Link Tags
https://www.knot-resolver.cz/2018-08-02-knot-resolver-2.4.1.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10920 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-10920?
CVE-2018-10920 has been scored as a medium severity vulnerability.
How to fix CVE-2018-10920?
To fix CVE-2018-10920, 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-2018-10920 being actively exploited in the wild?
It is possible that CVE-2018-10920 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-10920?
CVE-2018-10920 affects cz.nic knot-resolver.
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