Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
FreeBSD 7.1 through 8.1-PRERELEASE does not copy the read-only flag when creating a duplicate mbuf buffer reference, which allows local users to cause a denial of service (system file corruption) and gain privileges via the sendfile system call.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FreeBSD 拒绝服务和权限提升漏洞
Vulnerability Description
FreeBSD是一种运行在Intel平台上、可以自由使用的开放源码Unix类系统，其中FreeBSD 4.5支持了SYN cache (syncache)和SYN cookies (syncookies)机制，提供对FLOOD拒绝服务攻击的保护功能。 FreeBSD 7.1至8.1-PRERELEASE版本在创建一个复制的mbuf缓存引用时不能复制只读标志，本地用户可以借助sendfile system call导致服务拒绝(系统文件损坏)和获取特权。
CVSS Information
N/A
Vulnerability Type
N/A