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CVE-2023-46733— Symfony possible session fixation vulnerability

Quick assessment

Affected
symfony symfony
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.

Symfony是Symfony公司的一个用于 Web 和控制台应用程序的 PHP 框架以及一组可重用的 PHP 组件。 Symfony存在安全漏洞，该漏洞源于用户标识符在验证阶段和成功登录之间不会发生变化。

CVSS 6.5 · Medium EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2023-46733

Vulnerability Information
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Vulnerability Title
Symfony possible session fixation vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting in versions 5.4.21 and 6.2.7 and prior to versions 5.4.31 and 6.3.8, `SessionStrategyListener` does not migrate the session after every successful login. It does so only in case the logged in user changes by means of checking the user identifier. In some use cases, the user identifier doesn't change between the verification phase and the successful login, while the token itself changes from one type (partially-authenticated) to another (fully-authenticated). When this happens, the session id should be regenerated to prevent possible session fixations, which is not the case at the moment. As of versions 5.4.31 and 6.3.8, Symfony now checks the type of the token in addition to the user identifier before deciding whether the session id should be regenerated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
会话固定
Source: CVE Program / CVE List V5
Vulnerability Title
Symfony 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Symfony是Symfony公司的一个用于 Web 和控制台应用程序的 PHP 框架以及一组可重用的 PHP 组件。 Symfony存在安全漏洞，该漏洞源于用户标识符在验证阶段和成功登录之间不会发生变化。
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
symfony symfony >= 5.4.21, < 5.4.31 -

II. Public POCs for CVE-2023-46733

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III. Intelligence Information for CVE-2023-46733

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Patches & Fixes for CVE-2023-46733 (2)

Vendor Advisories for CVE-2023-46733 (1)

Same Patch Batch · symfony · 2023-11-10 · 3 CVEs total

CVE-2023-46735 6.1 MEDIUM Symfony potential Cross-site Scripting in WebhookController
CVE-2023-46734 6.1 MEDIUM Symfony potential Cross-site Scripting vulnerabilities in CodeExtension filters

IV. Related Vulnerabilities

Same product: symfony
Same vendor: symfony
Same weakness: CWE-384

V. Comments for CVE-2023-46733

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