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CVE-2024-9026— PHP-FPM logs from children may be altered

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存在安全漏洞，该漏洞源于可能会通过操纵日志消息内容来污染最终日志或从日志消息中删除最多4个字符。

CVSS 3.3 · Low EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2024-9026

Vulnerability Information
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Vulnerability Title
PHP-FPM logs from children may be altered
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using PHP-FPM SAPI and it is configured to catch workers output through catch_workers_output = yes, it may be possible to pollute the final log or remove up to 4 characters from the log messages by manipulating log message content. Additionally, if PHP-FPM is configured to use syslog output, it may be possible to further remove log data using the same vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
空字节或NULL字符转义处理不恰当
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存在安全漏洞，该漏洞源于可能会通过操纵日志消息内容来污染最终日志或从日志消息中删除最多4个字符。
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 8.1.* ~ 8.1.30 -

II. Public POCs for CVE-2024-9026

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III. Intelligence Information for CVE-2024-9026

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Vendor Advisories for CVE-2024-9026 (1)

Same Patch Batch · PHP Group · 2024-10-08 · 4 CVEs total

CVE-2024-8926 8.1 HIGH PHP CGI Parameter Injection Vulnerability (CVE-2024-4577 bypass)
CVE-2024-8927 7.5 HIGH cgi.force_redirect configuration is bypassable due to the environment variable collision
CVE-2024-8925 3.1 LOW Erroneous parsing of multipart form data

IV. Related Vulnerabilities

Same product: PHP
Same vendor: PHP Group
Same weakness: CWE-158

V. Comments for CVE-2024-9026

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