Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The syscons CONS_SCRSHOT ioctl in FreeBSD 5.x allows local users to read arbitrary kernel memory via (1) negative coordinates or (2) large coordinates.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FreeBSD Syscons CONS_SCRSHOT内核内存泄露漏洞
Vulnerability Description
FreeBSD是一款免费开放源代码的UNIX操作系统。 FreeBSD syscons驱动存在内存泄露问题,本地攻击者可以利用这个漏洞获得敏感信息。 syscons(4)是FreeBSD的默认控制台驱动,使用物理键盘和屏幕。syscons CONS_SCRSHOT ioctl(2)对参数输入验证不充分,可导致CONS_SCRSHOT ioctl返回部分内核内存信息。这些信息包括文件缓存或终端缓存。攻击者可以利用这些信息获得敏感资料,如用户密码。
CVSS Information
N/A
Vulnerability Type
N/A