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CVE-2024-11235— Reference counting in php_request_shutdown causes Use-After-Free

Quick assessment

Affected
PHP Group PHP
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.

PHP是PHP的一种在服务器端执行的脚本语言。 PHP 8.3.19之前版本和8.4.5之前版本存在安全漏洞，该漏洞源于涉及__set处理程序或??=运算符和异常的代码序列可能导致释放后重用漏洞。

AI Predicted 8.1 Difficulty: Moderate EPSS 1.46% · P72

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2024-11235

Vulnerability Information
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Vulnerability Title
Reference counting in php_request_shutdown causes Use-After-Free
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP versions 8.3.* before 8.3.19 and 8.4.* before 8.4.5, a code sequence involving __set handler or ??=  operator and exceptions can lead to a use-after-free vulnerability. If the third party can control the memory layout leading to this, for example by supplying specially crafted inputs to the script, it could lead to remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
PHP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP是PHP的一种在服务器端执行的脚本语言。 PHP 8.3.19之前版本和8.4.5之前版本存在安全漏洞，该漏洞源于涉及__set处理程序或??=运算符和异常的代码序列可能导致释放后重用漏洞。
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
PHP Group PHP 8.4.* ~ 8.4.5 -

II. Public POCs for CVE-2024-11235

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III. Intelligence Information for CVE-2024-11235

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Vendor Advisories for CVE-2024-11235 (1)

IV. Related Vulnerabilities

Same product: PHP
Same vendor: PHP Group
Same weakness: CWE-416

V. Comments for CVE-2024-11235

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