CVE-2022-33991 Security feature bypass in n/a

Medium 5.3 Published 15 Aug 2022 Updated 3 Aug 2024

dproxy-nexgen forwards DNS queries with the CD bit set, bypassing upstream DNSSEC validation and allowing spoofed responses.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-33991?

CVE-2022-33991 is a medium-severity vulnerability in n/a, published on 15 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-290

Which versions are affected by CVE-2022-33991?

It affects 1 product.

Products include Dproxy-Nexgen Project Dproxy-Nexgen.

How do I fix CVE-2022-33991?

No fix has been published for CVE-2022-33991 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-33991 being exploited?

There is no known exploitation of CVE-2022-33991 in the wild and no public exploit code.

Sources

Also known as GHSA-hmww-ghfh-8m88.