Vulnerability CVE-2022-33991
Published: 2022-08-15

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.

 References:
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
https://sourceforge.net/projects/dproxy/
https://www.openwall.com/lists/oss-security/2022/08/14/3
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