漏洞信息
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Vulnerability Title
russh server userauth state is not reset when authentication principal changes
Vulnerability Description
Russh is a Rust SSH client & server library. From version 0.34.0-beta.1 to before version 0.61.0, the russh server authentication path keeps internal userauth state across SSH_MSG_USERAUTH_REQUEST messages without separating that state when the request principal changes. RFC 4252 allows the user name and service name fields to change between authentication requests. The issue is not that such changes are invalid. The issue is that russh-owned authentication state, such as remaining methods, partial-success state, and in-progress method state, can remain associated with the connection and then influence a later request for a different (user, service). This is an internal library state mismatch. This issue has been patched in version 0.61.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Vulnerability Type
认证机制不恰当
Vulnerability Title
Russh 授权问题漏洞
Vulnerability Description
Russh是Eugene个人开发者的一个 Rust SSH 客户端和服务器端库。 Russh 0.34.0-beta.1版本至0.61.0之前版本存在授权问题漏洞,该漏洞源于服务器认证路径在请求主体变化时未分离内部认证状态,可能导致状态不匹配。
CVSS Information
N/A
Vulnerability Type
N/A