CVE-2022-31626— mysqlnd/pdo password buffer overflow
Quick assessment
Affected
PHP Group PHP
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
PHP是一种在服务器端执行的脚本语言。 PHP存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
In-the-Wild Activity Observed
github_trending · low
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-31626
Vulnerability Information
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Vulnerability Title
mysqlnd/pdo password buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
PHP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP是一种在服务器端执行的脚本语言。 PHP存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
II. Public POCs for CVE-2022-31626
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/amitlttwo/CVE-2022-31626 | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2022-31626 (3)
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https://www.debian.org/security/2022/dsa-5179 vendor-advisory
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https://security.gentoo.org/glsa/202209-20 vendor-advisory
Mailing List Discussions for CVE-2022-31626 (3)
Other References for CVE-2022-31626 (1)
IV. Related Vulnerabilities
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Various packet overreads in mysqlnd_writeprotocol.c
Same vendor: PHP Group
-
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Same weakness: CWE-120
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V. Comments for CVE-2022-31626
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