漏洞信息
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Vulnerability Title
alf.io has an Authenticated RCE via Extension Script Sandbox Escape
Vulnerability Description
alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5-2606, a sandbox escape vulnerability in the alf.io extension script engine allows an authenticated administrator to execute arbitrary operating system commands on the server. The extension system is intended to execute restricted JavaScript in a sandboxed Rhino environment; however, a combination of an unguarded injected Java object (`returnClass`) and an incomplete AST blocklist allows the sandbox to be fully escaped using Java reflection without triggering any validation errors. Version 2.0-M5-2606 patches the issue.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Vulnerability Type
授权机制不正确
Vulnerability Title
Alf.io 安全漏洞
Vulnerability Description
Alf.io是Alf.io开源的一款免费开源活动出席管理系统。 Alf.io 2.0-M5-2606之前版本存在安全漏洞,该漏洞源于扩展脚本引擎中的沙箱逃逸,结合未保护的注入Java对象returnClass和不完整的AST黑名单,可能导致经过身份验证的管理员执行任意操作系统命令。
CVSS Information
N/A
Vulnerability Type
N/A