漏洞信息
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Vulnerability Title
Libssh: incorrect return code handling in ssh_kdf() in libssh
Vulnerability Description
A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions' confidentiality, integrity, and availability.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Vulnerability Type
数值计算不正确
Vulnerability Title
libssh 安全漏洞
Vulnerability Description
libssh是libssh组织的一个用于访问SSH服务的C语言开发包,它能够执行远程命令、文件传输,同时为远程的程序提供安全的传输通道。 libssh存在安全漏洞,该漏洞源于ssh_kdf函数返回值解释不一致,可能导致使用未初始化的加密密钥缓冲区。
CVSS Information
N/A
Vulnerability Type
N/A