Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
libssh 拒绝服务漏洞
Vulnerability Description
libssh是一个用于访问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 0.5.4之前版本中的publickey_from_privatekey函数中存在漏洞。在协商过程中没有算法与之匹配的情况下，通过“Client: Diffie-Hellman Key Exchange Init”数据包，远程攻击者可利用该漏洞导致拒绝服务（空指针引用并崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A