漏洞信息
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Vulnerability Title
Tinyproxy - HTTP Request Smuggling via CL/TE Desynchronization
Vulnerability Description
Tinyproxy through 1.11.3, fixed in commit ff45d3b, fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to determine how many request body bytes to consume. Remote attackers can desynchronize the proxy and backend parser state, allowing injection of arbitrary HTTP requests to the backend to enable cache poisoning, access control bypass, and request hijacking.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Vulnerability Title
tinyproxy 输入验证错误漏洞
Vulnerability Description
tinyproxy是Tinyproxy团队开源的一个小型、高效的 HTTP/SSL 代理守护程序。 tinyproxy 1.11.3及之前版本存在输入验证错误漏洞,该漏洞源于无法调和冲突的Content-Length和Transfer-Encoding: chunked标头,将两者原样转发到后端,同时使用Content-Length确定消耗的请求体字节数,远程攻击者可以解除代理和后端解析器状态的同步,允许向后端注入任意HTTP请求,从而实施缓存投毒、访问控制绕过和请求劫持。
CVSS Information
N/A
Vulnerability Type
N/A