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CVE-2021-22942

Quick assessment

Affected
n/a https://github.com/rails/rails
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.

Ruby on Rails是美国Rails团队的一套基于Ruby语言的开源Web应用框架。 Ruby on Rails 存在输入验证错误漏洞，该漏洞源于在rubygem-actionpack中发现一个缺陷，通过特别制作的X-Forwarded-Host头，结合某些允许的主机格式，可以导致Action Pack中的主机授权中间件将用户重定向到恶意网站。攻击者可利用该漏洞来威胁系统可用性。

AI Predicted 5.3 Difficulty: Easy EPSS 1.70% · P76

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-22942

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A possible open redirect vulnerability in the Host Authorization middleware in Action Pack >= 6.0.0 that could allow attackers to redirect users to a malicious website.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Ruby on Rails 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ruby on Rails是美国Rails团队的一套基于Ruby语言的开源Web应用框架。 Ruby on Rails 存在输入验证错误漏洞，该漏洞源于在rubygem-actionpack中发现一个缺陷，通过特别制作的X-Forwarded-Host头，结合某些允许的主机格式，可以导致Action Pack中的主机授权中间件将用户重定向到恶意网站。攻击者可利用该漏洞来威胁系统可用性。
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
- https://github.com/rails/rails 6.1.4.1, 6.0.4.1 -

II. Public POCs for CVE-2021-22942

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III. Intelligence Information for CVE-2021-22942

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Vendor Advisories for CVE-2021-22942 (1)

Mailing List Discussions for CVE-2021-22942 (1)

Security Blog Posts for CVE-2021-22942 (1)

Same Patch Batch · n/a · 2021-10-18 · 19 CVEs total

CVE-2021-23449 9.8 CRITICAL Sandbox Bypass
CVE-2020-8291 Rocket.Chat 跨站脚本漏洞
CVE-2021-42650 Portainer 跨站脚本漏洞
CVE-2021-42055 ASUSTek ZenBook Pro Due 15 UX582 安全漏洞
CVE-2021-36513 FreeSWITCH 安全漏洞
CVE-2021-42575 Sanitize 输入验证错误漏洞
CVE-2021-42576 David Kitchen bluemonday 安全漏洞
CVE-2021-41990 strongSwan 输入验证错误漏洞
CVE-2021-41991 strongSwan 输入验证错误漏洞
CVE-2021-38297 Google Go 缓冲区错误漏洞
CVE-2021-22961 GlassWire 代码注入漏洞
CVE-2021-21797 Nitro Software Nitro Pro 资源管理错误漏洞
CVE-2021-21796 Nitro Software Nitro Pro 资源管理错误漏洞
CVE-2010-2496 Pacemaker 授权问题漏洞
CVE-2021-41611 Squid 信任管理问题漏洞
CVE-2021-38562 Best Practical Request Tracker 信息泄露漏洞
CVE-2021-42565 myfactory.FMS 跨站脚本漏洞
CVE-2021-42566 myfactory.FMS 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: https://github.com/rails/rails
Same vendor: n/a
Same weakness: CWE-601

V. Comments for CVE-2021-22942

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