CVE-2022-33992

Description

DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.09%

Third-Party Advisory sourceforge.net Third-Party Advisory openwall.com Third-Party Advisory usenix.org

Affected: n/a n/a

References

Link	Tags
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner	third party advisory
http://dnrd.sourceforge.net/	third party advisory product
https://www.openwall.com/lists/oss-security/2022/08/14/1	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-33992?: CVE-2022-33992 has been scored as a high severity vulnerability.
How to fix CVE-2022-33992?: To fix CVE-2022-33992, 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-2022-33992 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-33992 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.

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