Cyber security

Atlassian Companion RCE Vulnerability Proof of Concept (CVE-2023-22524)

Atlassian Companion for macOS has a serious remote code execution vulnerability that was just found. It is called CVE-2023-22524. This flaw is a major security risk because it lets attackers get around both the app’s blocklist and macOS Gatekeeper, which could allow harmful code to run.

This piece will go into the technical details of this vulnerability, look at how to make it happen again, and talk about what it means for macOS users. This proof of concept (PoC) is meant to show how bad the problem is and how quickly people need to take the right steps to protect themselves.

Overview

This repository contains a proof of concept (PoC) for the recently discovered remote code execution vulnerability in Atlassian Companion for macOS, identified as CVE-2023-22524. This critical issue allows attackers to bypass the app’s blocklist and macOS Gatekeeper, leading to potential execution of harmful code.

Details

The vulnerability stems from an oversight in the application’s handling of certain file types and its interaction with macOS security features. For a detailed analysis of the vulnerability, including the discovery process and technical specifics, please refer to our comprehensive blog post on the Imperva Threat Research Blog

Steps to Reproduce

  1. Atlassian Companion < 2.0.0 is required.
  2. Clone this repository, navigate to the PoC directory, and run node server.js.
  3. Visit http://localhost:8080/example.html in your browser and follow the instructions.

Additional Information

Varshini

Varshini is a Cyber Security expert in Threat Analysis, Vulnerability Assessment, and Research. Passionate about staying ahead of emerging Threats and Technologies.

Recent Posts

Vermilion : Mastering Linux Post-Exploitation For Red Team Success

Vermilion is a simple and lightweight CLI tool designed for rapid collection, and optional exfiltration…

1 day ago

AD-CS-Forest-Exploiter : Mastering Security Through PowerShell For AD CS Misconfiguration

ADCFFS is a PowerShell script that can be used to exploit the AD CS container…

1 day ago

Usage Of Tartufo – A Comprehensive Guide To Securing Your Git Repositories

Tartufo will, by default, scan the entire history of a git repository for any text…

1 day ago

Loco : A Rails-Inspired Framework For Rust Developers

Loco is strongly inspired by Rails. If you know Rails and Rust, you'll feel at…

2 days ago

Monolith : The Ultimate Tool For Storing Entire Web Pages As Single HTML Files

A data hoarder’s dream come true: bundle any web page into a single HTML file.…

2 days ago