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Security Advisories: GSA_kwCzR0hTQS1naHczLTVxdm0tM21xY84AAwgx

CodeIgniter4 allows spoofing of IP address when using proxy

Impact

This vulnerability may allow attackers to spoof their IP address when your server is behind a reverse proxy.

Patches

Upgrade to v4.2.11 or later, and configure Config\App::$proxyIPs.

Workarounds

Do not use $request->getIPAddress().

References

For more information

If you have any questions or comments about this advisory:

Permalink: https://github.com/advisories/GHSA-ghw3-5qvm-3mqc
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1naHczLTVxdm0tM21xY84AAwgx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 1 year ago
Updated: about 1 year ago


CVSS Score: 7.0
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

Identifiers: GHSA-ghw3-5qvm-3mqc, CVE-2022-23556
References: Repository: https://github.com/codeigniter4/CodeIgniter4

Affected Packages

packagist:codeigniter4/framework
Dependent packages: 239
Dependent repositories: 2,160
Downloads: 1,842,465 total
Affected Version Ranges: < 4.2.11
Fixed in: 4.2.11
All affected versions: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.2.9, 4.2.10
All unaffected versions: 4.2.11, 4.2.12, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.3.6, 4.3.7, 4.3.8, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5, 4.4.6