CVE:CVE-2002-0294
CNNVD:CNNVD-200205-130
OmniPCX是企业级的Personal Communications Exchange (PCX)系统，由Alcatel负责维护开发。
攻击者无须以halt、root用户登录，就以mtcl用户登录，执行/chetc/shutdown即可关机
> ls -l /chetc/shutdown
-r-sr-sr-x 1 root other 6120 Jul 6 1998 /chetc/shutdown
>
solution:Upgrade alcatel-lucent omnipcx to a higher version than 4400,and avoid the version 4400