With Pwn2Own Ireland 2026 coming up, I wanted to share an unreleased blog post from my time as a Pwn2Own contestant. This post covers the discovery and exploitation of CVE-2024-0244, which is an unauthenticated heap-based buffer overflow leading to an arbitrary free() in the Canon MF753Cdw printer featured in Pwn2Own Toronto 2023. This blog post... Weiterlesen
Intelligence View
CVE-2024-0244 – A heap buffer overflow in the Canon MF753Cdw printer
With Pwn2Own Ireland 2026 coming up, I wanted to share an unreleased blog post from my time as a Pwn2Own contestant. This post covers the discovery and exploitation of CVE-2024-0244, which is an unauthenticated heap-based buffer overflow…
SOC Incident Playbook: Vulnerability Remediation & Verification
title: Detect Exploitation - CVE-2024-0244 – A heap buffer overflow in the Canon MF753Cdw printer
id: 19545114-d611-4628-ae85-18e42a33bc9e
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2024-0244 – A heap buffer " ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2024-0244 – A heap buffer overflow i.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
SOCIAL SHARE CARD GENERATOR