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CVE-2023-32679— Remote Code Execution via unrestricted file extension in Craft CMS

Quick assessment

Affected
craftcms cms
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.

Pixel＆tonic Craft CMS是美国Pixel＆tonic公司的一套内容管理系统（CMS）。 Craft CMS 4.4.6之前版本存在注入漏洞，该漏洞源于不受限制的文件扩展名可能会导致远程代码执行。

CVSS 7.2 · High EPSS 1.85% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-32679

Vulnerability Information
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Vulnerability Title
Remote Code Execution via unrestricted file extension in Craft CMS
Source: CVE Program / CVE List V5
Vulnerability Description
Craft CMS is an open source content management system. In affected versions of Craft CMS an unrestricted file extension may lead to Remote Code Execution. If the name parameter value is not empty string('') in the View.php's doesTemplateExist() -> resolveTemplate() -> _resolveTemplateInternal() -> _resolveTemplate() function, it returns directly without extension verification, so that arbitrary extension files are rendered as twig templates. When attacker with admin privileges on a DEV or an improperly configured STG or PROD environment, they can exploit this vulnerability to remote code execution. Code execution may grant the attacker access to the host operating system. This issue has been addressed in version 4.4.6. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Pixel＆tonic Craft CMS 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pixel＆tonic Craft CMS是美国Pixel＆tonic公司的一套内容管理系统（CMS）。 Craft CMS 4.4.6之前版本存在注入漏洞，该漏洞源于不受限制的文件扩展名可能会导致远程代码执行。
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
craftcms cms >= 4.0.0, < 4.4.6 -

II. Public POCs for CVE-2023-32679

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III. Intelligence Information for CVE-2023-32679

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Vendor Advisories for CVE-2023-32679 (1)

IV. Related Vulnerabilities

Same product: cms
Same vendor: craftcms
Same weakness: CWE-74

V. Comments for CVE-2023-32679

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