CVE-2023-45132Protection Mechanism Failure in Naxsi

Severity
9.8CRITICALNVD
CNA9.1
EPSS
0.1%
top 75.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 11

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 ve

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

NVDwargio/naxsi1.31.6
CVEListV5wargio/naxsi>= 1.3, < 1.6

Patches

🔴Vulnerability Details

1
CVEList
IgnoreIP/IgnoreCIDR should not trust X-Forwarded-For2023-10-11
CVE-2023-45132 — Protection Mechanism Failure in Naxsi | cvebase