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I. Basic Information for CVE-2021-22903
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The actionpack ruby gem before 6.1.3.2 suffers from a possible open redirect vulnerability. Specially crafted Host headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. This is similar to CVE-2021-22881. Strings in config.hosts that do not have a leading dot are converted to regular expressions without proper escaping. This causes, for example, `config.hosts << "sub.example.com"` to permit a request with a Host header value of `sub-example.com`.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rails Action Pack 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rails Action Pack是美国Rails社区的一个web框架。提供了路由机制(将请求URL映射到动作),定义实现动作的控制器以及通过渲染视图(各种格式的模板)生成响应的机制。 Action Pack ruby​​ gem 6.1.3.2 之前的版本存在输入验证错误漏洞。该漏洞可能会导致 Action Pack 中的主机授权中间件将用户重定向到恶意网站。
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
VendorProductAffected VersionsCPESubscribe
-https://github.com/rails/rails Fixed in 6.1.3.2 -
II. Public POCs for CVE-2021-22903
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III. Intelligence Information for CVE-2021-22903
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IV. Related Vulnerabilities
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