Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Race condition in exec in OpenBSD 4.0 and earlier, NetBSD 1.5.2 and earlier, and FreeBSD 4.4 and earlier allows local users to gain privileges by attaching a debugger to a process before the kernel has determined that the process is setuid or setgid.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
BSD内核exec()系统调用竞争条件漏洞
Vulnerability Description
NetBSD内核在exec()系统调用的实现中存在竞争条件漏洞，允许本地攻击者提升权限。 exec()系统调用用于将可执行文件二进制映像加载到进程空间中。当进程调用exec()来加载一个setuid的二进制程序时，存在一个竞争条件漏洞。在被加载程序激活前的一个很短的时间段内，攻击者可能获取对它的ptrace控制，然后攻击者就可以修改该setuid进程的地址空间，从而提升自己的权限。如果系统中存在setuid root程序，攻击者就可能获取本地root权限。 其他BSD操作系统可能存在同样的安全问题。
CVSS Information
N/A
Vulnerability Type
N/A