Security Advisory

CVE-2023-45132

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-10-11 20:21:26

Last updated 2024-09-17 13:57:09

Assigner GitHub_M

State PUBLISHED

Description

NAXSI is an open-source maintenance web application firewall (WAF) for NGINX. An issue present starting in version 1.3 and prior to version 1.6 allows someone to bypass the WAF when a malicious `X-Forwarded-For` IP matches `IgnoreIP` `IgnoreCIDR` rules. This old code was arranged to allow older NGINX versions to also support `IgnoreIP` `IgnoreCIDR` when multiple reverse proxies were present. The issue is patched in version 1.6. As a workaround, do not set any `IgnoreIP` `IgnoreCIDR` for older versions.

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