漏洞信息
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Vulnerability Title
alf.io vulnerable to Arbitrary File Read and Exfil via simpleHttpClient Extension Script
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, the alf.io extension sandbox injects a fully-functional HTTP client (`simpleHttpClient`) into every extension script's scope. The `postFileAndSaveResponse()` method accepts an arbitrary filesystem path as its `file` parameter and reads the file contents using `new FileInputStream(file)` with no path validation, directory restriction, or allowlist. A malicious extension script can read any file accessible to the JVM process user and exfiltrate it to an attacker-controlled server via HTTP POST. Version 2.0-M5-2606 patches the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
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,该漏洞源于扩展沙箱注入的HTTP客户端postFileAndSaveResponse方法接受任意文件系统路径且无路径验证,可能导致恶意扩展脚本读取JVM进程可访问的任何文件并通过HTTP POST泄露。
CVSS Information
N/A
Vulnerability Type
N/A