漏洞信息
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Vulnerability Title
Chisel: ACL Bypass via Post-Handshake SSH Channel ExtraData Injection
Vulnerability Description
Chisel is a TCP/UDP tunnel, transported over HTTP and secured via SSH. In versions prior to 1.11.5, authenticated clients can bypass --authfile ACL restrictions and tunnel traffic to arbitrary destinations reachable from the server. The ACL is enforced only during the initial handshake against declared remotes, but never on subsequent SSH channels that carry actual traffic. A malicious client can authenticate with a permitted remote, then open channels to any host:port it wants. This issue has been fixed in version 1.11.5.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:L
Vulnerability Type
授权机制不正确
Vulnerability Title
Jaime Pillora Chisel 授权问题漏洞
Vulnerability Description
Jaime Pillora Chisel是Jaime Pillora个人开发者的一款基于HTTP的快速安全隧道工具。 Jaime Pillora Chisel 1.11.5之前版本存在授权问题漏洞,该漏洞源于ACL限制仅在初始握手期间强制执行,后续SSH通道未执行,可能导致经过身份验证的客户端绕过--authfile ACL限制,将流量隧道传输到任意目的地。
CVSS Information
N/A
Vulnerability Type
N/A