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CVE-2022-23556— CodeIgniter is vulnerable to IP address spoofing when using proxy

Quick assessment

Affected
codeigniter4 CodeIgniter4
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CodeIgniter是一款使用PHP语言编写的开源Web框架。 CodeIgniter 存在数据伪造问题漏洞。攻击者利用该漏洞欺骗其IP地址。

CVSS 7.0 · High EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1622 · Debugger Evasion
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I. Basic Information for CVE-2022-23556

Vulnerability Information
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Vulnerability Title
CodeIgniter is vulnerable to IP address spoofing when using proxy
Source: CVE Program / CVE List V5
Vulnerability Description
CodeIgniter is a PHP full-stack web framework. This vulnerability may allow attackers to spoof their IP address when the server is behind a reverse proxy. This issue has been patched, please upgrade to version 4.2.11 or later, and configure `Config\App::$proxyIPs`. As a workaround, do not use `$request->getIPAddress()`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
CodeIgniter 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CodeIgniter是一款使用PHP语言编写的开源Web框架。 CodeIgniter 存在数据伪造问题漏洞。攻击者利用该漏洞欺骗其IP地址。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
codeigniter4 CodeIgniter4 < 4.2.11 -

II. Public POCs for CVE-2022-23556

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III. Intelligence Information for CVE-2022-23556

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Patches & Fixes for CVE-2022-23556 (1)

Vendor Advisories for CVE-2022-23556 (1)

IV. Related Vulnerabilities

Same product: CodeIgniter4
Same vendor: codeigniter4
Same weakness: CWE-345

V. Comments for CVE-2022-23556

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