CVE-2022-31628— phar wrapper can occur dos when using quine gzip file
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是一种在服务器端执行的脚本语言。 PHP 7.4.31之前版本、8.0.24之前版本和8.1.11之前版本存在安全漏洞，该漏洞源于phar 解压缩器代码会递归解压缩quines gzip 文件，攻击者利用该漏洞可以导致无限循环。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2022-31628
Vulnerability Information
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Vulnerability Title
phar wrapper can occur dos when using quine gzip file
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
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 7.4.31之前版本、8.0.24之前版本和8.1.11之前版本存在安全漏洞，该漏洞源于phar 解压缩器代码会递归解压缩quines gzip 文件，攻击者利用该漏洞可以导致无限循环。
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-2022-31628
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-31628 (2)
-
https://security.gentoo.org/glsa/202211-03 vendor-advisory
Mailing List Discussions for CVE-2022-31628 (4)
Other References for CVE-2022-31628 (1)
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V. Comments for CVE-2022-31628
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