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I. Basic Information for CVE-2021-44528
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-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.
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 存在输入验证错误漏洞，该漏洞源于Action Pack >= 6.0.0中存在一个开放重定向漏洞，攻击者可利用该漏洞制造一个“X-Forwarded-Host”头，并结合某些“允许的主机”格式，从而导致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 6.1.4.2, 6.0.4.2, 7.0.0.rc2 -
II. Public POCs for CVE-2021-44528
#POC DescriptionSource LinkShenlong Link
1Specially crafted "X-Forwarded-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.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44528.yamlPOC Details
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III. Intelligence Information for CVE-2021-44528
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IV. Related Vulnerabilities
Same product: https://github.com/rails/rails
Same vendor: n/a
Same weakness: CWE-601
V. Comments for CVE-2021-44528

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