Vulnerability Information
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Vulnerability Title
Parse Server: Cloud function validator bypass via prototype chain traversal
Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud Function handler is declared using the function keyword and its validator is a plain object or arrow function, the trigger store traversal resolves the handler through its own prototype chain while the validator store fails to mirror this traversal, causing all access control enforcement to be skipped. This allows unauthenticated callers to invoke Cloud Functions that are meant to be protected by validators such as requireUser, requireMaster, or custom validation logic. This issue has been patched in versions 8.6.67 and 9.7.0-alpha.11.
CVSS Information
N/A
Vulnerability Type
授权机制不正确
Vulnerability Title
Parse Server 安全漏洞
Vulnerability Description
Parse Server是Parse Platform开源的一个开源后端，可以部署到任何可以运行 Node.js 的基础设施。 Parse Server 8.6.67之前版本和9.7.0-alpha.11之前版本存在安全漏洞，该漏洞源于攻击者可通过在URL中追加prototype.constructor绕过云函数验证器访问控制，可能导致未经身份验证的调用者调用受保护的云函数。
CVSS Information
N/A
Vulnerability Type
N/A