Craft has a Local File System Validation Bypass Leading to File Overwrite, Sensitive File Access, and Potential Code Execution

Craft is a content management system (CMS). A vulnerability in CraftCMS allows an attacker to bypass local file system validation by utilizing a double file:// scheme (e.g., file://file:////). This enables the attacker to specify sensitive folders as the file system, leading to potential file overwriting through malicious uploads, unauthorized access to sensitive files, and, under certain conditions, remote code execution (RCE) via Server-Side Template Injection (SSTI) payloads. Note that this will only work if you have an authenticated administrator account with allowAdminChanges enabled. This is fixed in 5.4.6 and 4.12.5.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

对路径名的限制不恰当(路径遍历)

CraftCMS 路径遍历漏洞

CraftCMS是CraftCMS公司的一个内容管理系统。 CraftCMS 5.0.0-RC1至5.4.5.1版本和4.0.0-RC1至4.12.4.1版本存在路径遍历漏洞，该漏洞源于允许攻击者利用双重file://方案绕过本地文件系统验证，从而注入有效载荷远程执行代码。

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