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I. Basic Information for CVE-2021-31808
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Squid 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid 存在输入验证错误漏洞。该漏洞源于程序执行HTTP Range请求时对用户提供的输入的验证不足,远程代理客户端可以通过代理服务器发送特制的HTTP请求并导致拒绝服务攻击。以下产品及版本存在该漏洞:Squid: 2.5, 2.5.6, 2.5.9, 2.5.stable1, 2.5.stable2, 2.5.stable3, 2.5.stable4, 2.5.stable5, 2.5.stable6
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
-n/a n/a -
II. Public POCs for CVE-2021-31808
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III. Intelligence Information for CVE-2021-31808
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IV. Related Vulnerabilities
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