Horizon3.ai
Horizon3.ai

Research Blog

Welcome to our cybersecurity research blog where we uncover how malicious actors exploit weaknesses in systems, while going beyond the technical aspects and examining real-world perspectives across various industries.

Here you’ll find extensive research and insight from the well-known Horizon3.ai attack team, intuitive perspectives on everything security, and real-world attack path short stories that come directly from discoveries made by NodeZero.

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Showing 61–66 of 161 results

Apache Superset Part II: RCE, Credential Harvesting and More

Apache Superset is a popular open source data exploration and visualization tool. In a previous post, we disclosed a vulnerability, CVE-2023-27524, affecting thousands of Superset servers on the Internet, that enables unauthorized attackers to gain admin access to these servers. We also alluded to methods that an attacker, logged in as an admin, could use to harvest credentials and execute...
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Ivanti Sentry Authentication Bypass CVE-2023-38035 Deep Dive

Introduction Ivanti has recently published an advisory for CVE-2023-38035. The vulnerability has been added to CISA KEV and is described as an authentication bypass in the Ivanti Sentry administrator interface. This new vulnerability comes on the heels of an in-the-wild-exploited vulnerability in Ivanti EPMM (CVE-2023-35078). In this post we will take a deep dive into how this new vulnerability can...
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Lexmark Command Injection Vulnerability ZDI-CAN-19470 Pwn2Own Toronto 2022

Introduction In December 2022, we competed at our first pwn2own. We were able to successfully exploit the Lexmark MC3224i using a command injection 0-day. This post will detail the process we used to discover, weaponize, and have some fun with this vulnerability. You can find our POC here. Printer Acquisition It was rather difficult to acquire the Lexmark MC3224adwe. So...
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CVE-2023-39143: PaperCut Path Traversal/File Upload RCE Vulnerability

Summary CVE-2023-39143 is a critical vulnerability we disclosed to PaperCut that affects the widely used PaperCut NG/MF print management software. It affects PaperCut NG/MF running on Windows, prior to version 22.1.3. If you are a user of PaperCut on Windows, and have it exposed to the Internet, we recommend you check out the July 2023 PaperCut security bulletin and immediately...
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