漏洞信息
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Vulnerability Title
libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c
Vulnerability Description
libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
整数溢出导致缓冲区溢出
Vulnerability Title
libssh2 数字错误漏洞
Vulnerability Description
libssh2是libssh2团队开源的一款实现SSH2协议的客户端C库。 libssh2 1.11.1及之前版本存在数字错误漏洞,该漏洞源于ssh2_transport_read()函数未对packet_length字段进行上限检查,可能导致越界写入,远程攻击者可发送特制的过大数据包长度的SSH数据包破坏堆内存并实现远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A