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CVE-2022-46170— CodeIgniter is vulnerable to improper authentication via Session Handlers

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 4.2.11之前版本存在授权问题漏洞，该漏洞源于当应用程序使用多个会话 cookie，和 会话处理程序设置为“DatabaseHandler”、“MemcachedHandler”或“RedisHandler”时，如果攻击者获取一个会话 cookie（例如，一个用于用户页面），他们可能能够访问需要另一个会话 cookie 的页面。

CVSS 8.6 · High EPSS 0.88% · P58
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I. Basic Information for CVE-2022-46170

Vulnerability Information
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Vulnerability Title
CodeIgniter is vulnerable to improper authentication via Session Handlers
Source: CVE Program / CVE List V5
Vulnerability Description
CodeIgniter is a PHP full-stack web framework. When an application uses (1) multiple session cookies (e.g., one for user pages and one for admin pages) and (2) a session handler is set to `DatabaseHandler`, `MemcachedHandler`, or `RedisHandler`, then if an attacker gets one session cookie (e.g., one for user pages), they may be able to access pages that require another session cookie (e.g., for admin pages). This issue has been patched, please upgrade to version 4.2.11 or later. As a workaround, use only one session cookie.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
CodeIgniter 授权问题漏洞
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 4.2.11之前版本存在授权问题漏洞，该漏洞源于当应用程序使用多个会话 cookie，和 会话处理程序设置为“DatabaseHandler”、“MemcachedHandler”或“RedisHandler”时，如果攻击者获取一个会话 cookie（例如，一个用于用户页面），他们可能能够访问需要另一个会话 cookie 的页面。
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-2022-46170

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III. Intelligence Information for CVE-2022-46170

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Patches & Fixes for CVE-2022-46170 (1)

Vendor Advisories for CVE-2022-46170 (1)

IV. Related Vulnerabilities

Same product: CodeIgniter4
Same vendor: codeigniter4
Same weakness: CWE-287

V. Comments for CVE-2022-46170

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