CVE-2022-33990

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-08-15 · updated 2026-06-17

Description

Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.

Affected products

Dproxy-Nexgen Project Dproxy-Nexgen: all versions

References

https://sourceforge.net/projects/dproxy/
https://www.openwall.com/lists/oss-security/2022/08/14/3
https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
https://sourceforge.net/projects/dproxy/
https://www.openwall.com/lists/oss-security/2022/08/14/3
https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner

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