OmniPCX是企业级的Personal Communications Exchange (PCX)系统,由Alcatel负责维护开发。 OmniPCX系统在安装过程中没有提示用户修改各种缺省口令。而OmniPCX系统缺省情况下开放了很多服务,比如telnet、ftp,于是潜在存在安全问题。 缺省/etc/passwd文件如下 root:.Zn2PprVBQWI2:0:1:0000-Admin(0000):/:/chbin/sh halt:xY3mcbaFNyp0k:0:1:0000-Admin(0000):/usr/halt:/chbin/sh daemon:*:1:1:0000-Admin(0000):/: bin:*:2:2:0000-Admin(0000):/bin: sys:*:3:3:0000-Admin(0000):/usr: adm:*:4:4:0000-Admin(0000):/usr/adm: sync::67:1:0000-Admin(0000):/:/bin/sync install:yYV3uyxkFX8bc:101:1:Initial Login:/usr/install:/chbin/sh kermit:zYBmh/woCrN6E:102:1:kermit:/usr/kermit:/chbin/sh swinst::0:1:installation-account:/usr/swinst:/chbin/sh mtch:aUi5.tLxc7zRc:2010:20:mtch:/DHS3bin/mtch:/chbin/ksh mtcl:bUAp.LcUa4SIo:2011:20:mtcl:/DHS3bin/mtcl:/chbin/ksh dhs3pms:cUlGakVr1CAkE:2013:20:dhs3pms:/DHS3bin/dhs3pms:/chbin/sh adfexc:dUHpLtTswZu/Q:2015:20:adfexc:/DHS3bin/adfexc:/chbin/sh pcmao::2012:20:pcmao:/DHS3bin/mao:/chbin/sh nmcmao:gUvHzOAi7wETE:2016:20:nmcmao:/DHS3bin/nmcmao:/chbin/sh...
OmniPCX是企业级的Personal Communications Exchange (PCX)系统,由Alcatel负责维护开发。 OmniPCX系统在安装过程中没有提示用户修改各种缺省口令。而OmniPCX系统缺省情况下开放了很多服务,比如telnet、ftp,于是潜在存在安全问题。 缺省/etc/passwd文件如下 root:.Zn2PprVBQWI2:0:1:0000-Admin(0000):/:/chbin/sh halt:xY3mcbaFNyp0k:0:1:0000-Admin(0000):/usr/halt:/chbin/sh daemon:*:1:1:0000-Admin(0000):/: bin:*:2:2:0000-Admin(0000):/bin: sys:*:3:3:0000-Admin(0000):/usr: adm:*:4:4:0000-Admin(0000):/usr/adm: sync::67:1:0000-Admin(0000):/:/bin/sync install:yYV3uyxkFX8bc:101:1:Initial Login:/usr/install:/chbin/sh kermit:zYBmh/woCrN6E:102:1:kermit:/usr/kermit:/chbin/sh swinst::0:1:installation-account:/usr/swinst:/chbin/sh mtch:aUi5.tLxc7zRc:2010:20:mtch:/DHS3bin/mtch:/chbin/ksh mtcl:bUAp.LcUa4SIo:2011:20:mtcl:/DHS3bin/mtcl:/chbin/ksh dhs3pms:cUlGakVr1CAkE:2013:20:dhs3pms:/DHS3bin/dhs3pms:/chbin/sh adfexc:dUHpLtTswZu/Q:2015:20:adfexc:/DHS3bin/adfexc:/chbin/sh pcmao::2012:20:pcmao:/DHS3bin/mao:/chbin/sh nmcmao:gUvHzOAi7wETE:2016:20:nmcmao:/DHS3bin/nmcmao:/chbin/sh client:hUlAPfM7t4Nbo:2017:20:client:/DHS3bin/client:/chbin/sh dhs3mt:iULmen4O5ZC9.:2018:20:dhs3mt:/DHS3bin/dhs3mt:/chbin/sh at4400:jU5vsXHRG1lQc:2019:1:at4400:/DHS3bin/at4400:/chbin/sh mntple:kUKXnTJ4.VGrI:2000:1:Sun-network-installation:/DHS3bin/mntple:/chbin/sh 部分解密口令如下 llatsni (install) tlah (halt) dhs3pms (dhs3pms) adfexc (adfexc) client (client) kermit (kermit) dhs3mt (dhs3mt) at4400 (at4400) mtch (mtch) mtcl (mtcl) letacla (root) 绝大多数帐号有一个.profile文件,其中会执行特定的命令,假如你不了解自己正在做什么,请不要贸然用这些帐号登录。~mtcl/.profile未做任何危险动作,因此攻击者可以使用该帐号telnet登录系统。