CVE-2022-33990

high

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.

References

Advisories
More

https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner

https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner

https://sourceforge.net/projects/dproxy/

https://www.openwall.com/lists/oss-security/2022/08/14/3

Details

Source: Mitre, NVD

Published: 2022-08-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N