CVE-2022-33991

Public Exploit

Description

dproxy-nexgen (aka dproxy nexgen) 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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory sourceforge.net Third-Party Advisory openwall.com Third-Party Advisory usenix.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceforge.net/projects/dproxy/ third party advisory
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner third party advisory
https://www.openwall.com/lists/oss-security/2022/08/14/3 mailing list exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-33991?
CVE-2022-33991 has been scored as a medium severity vulnerability.
How to fix CVE-2022-33991?
To fix CVE-2022-33991, 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-2022-33991 being actively exploited in the wild?
It is possible that CVE-2022-33991 is being exploited or will be exploited in a near future based on public information. 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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