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CVE-2024-51754— Unguarded calls to __toString() when nesting an object into an array in Twig

Quick assessment

Affected
twigphp Twig
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.

Twig是Twig开源的一个PHP模板引擎。 Twig存在安全漏洞，该漏洞源于在沙盒中当对象是数组或参数列表的一部分时，即使安全策略不允许__toString()方法，攻击者也可以对对象调用该方法。

CVSS 2.2 · Low EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2024-51754

Vulnerability Information
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Vulnerability Title
Unguarded calls to __toString() when nesting an object into an array in Twig
Source: CVE Program / CVE List V5
Vulnerability Description
Twig is a template language for PHP. In a sandbox, an attacker can call `__toString()` on an object even if the `__toString()` method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
Twig 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Twig是Twig开源的一个PHP模板引擎。 Twig存在安全漏洞，该漏洞源于在沙盒中当对象是数组或参数列表的一部分时，即使安全策略不允许__toString()方法，攻击者也可以对对象调用该方法。
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
twigphp Twig < 3.11.2 -

II. Public POCs for CVE-2024-51754

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III. Intelligence Information for CVE-2024-51754

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Vendor Advisories for CVE-2024-51754 (1)

IV. Related Vulnerabilities

Same product: Twig
Same vendor: twigphp
Same weakness: CWE-668

V. Comments for CVE-2024-51754

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