PG_Press

信息收集：

root@iZt4nbifrvtk7cy11744y4Z:~# nmap -p- -Pn -A -sS -T4 192.168.216.29
Starting Nmap 7.80 ( https://nmap.org ) at 2025-02-25 10:29 CST
Nmap scan report for 192.168.216.29
Host is up (0.0027s latency).
Not shown: 65532 closed ports
PORT     STATE SERVICE VERSION
22/tcp   open  ssh     OpenSSH 8.4p1 Debian 5+deb11u1 (protocol 2.0)
80/tcp   open  http    Apache httpd 2.4.56 ((Debian))
|_http-server-header: Apache/2.4.56 (Debian)
|_http-title: Lugx Gaming Shop HTML5 Template
8089/tcp open  http    Apache httpd 2.4.56 ((Debian))
|_http-generator: FlatPress fp-1.2.1
|_http-server-header: Apache/2.4.56 (Debian)
|_http-title: FlatPress
No exact OS matches for host (If you know what OS is running on it, see https://nmap.org/submit/ ).
TCP/IP fingerprint:
OS:SCAN(V=7.80%E=4%D=2/25%OT=22%CT=1%CU=30209%PV=Y%DS=4%DC=T%G=Y%TM=67BD2B2
OS:8%P=x86_64-pc-linux-gnu)SEQ(SP=102%GCD=1%ISR=10F%TI=Z%CI=Z%II=I%TS=A)OPS
OS:(O1=M54EST11NW7%O2=M54EST11NW7%O3=M54ENNT11NW7%O4=M54EST11NW7%O5=M54EST1
OS:1NW7%O6=M54EST11)WIN(W1=FE88%W2=FE88%W3=FE88%W4=FE88%W5=FE88%W6=FE88)ECN
OS:(R=Y%DF=Y%T=40%W=FAF0%O=M54ENNSNW7%CC=Y%Q=)T1(R=Y%DF=Y%T=40%S=O%A=S+%F=A
OS:S%RD=0%Q=)T2(R=N)T3(R=N)T4(R=Y%DF=Y%T=40%W=0%S=A%A=Z%F=R%O=%RD=0%Q=)T5(R
OS:=Y%DF=Y%T=40%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)T6(R=Y%DF=Y%T=40%W=0%S=A%A=Z%F
OS:=R%O=%RD=0%Q=)T7(R=N)U1(R=Y%DF=N%T=40%IPL=164%UN=0%RIPL=G%RID=G%RIPCK=G%
OS:RUCK=G%RUD=G)IE(R=Y%DFI=N%T=40%CD=S)

Network Distance: 4 hops
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

TRACEROUTE (using port 21/tcp)
HOP RTT     ADDRESS
1   2.21 ms 192.168.45.1
2   2.21 ms 192.168.45.254
3   2.50 ms 192.168.251.1
4   2.73 ms 192.168.216.29

OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 31.73 seconds

开放了80和8089的http服务

FlatPress框架试了一些弱口令都登录失败了，然后耗费3小时试了很多漏洞，最后看了下hints，没想到密码是password，，，，

使用admin/password成功登录系统，那就可以用exp了

上传shell后访问即可，php前面貌似得加上GIT89a，不然没法上传

成功RCE

反弹shell

常规信息收集发现可以无密码sudo执行apt-get

常规sudo提权：https://gtfobins.github.io/gtfobins/apt-get/#sudo

sudo apt-get changelog apt
!/bin/sh

拿到proof