A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 111. This impacts an unknown function. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2023-29551. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component. Weiterlesen
Intelligence View
CVE-2023-29551 | Mozilla Firefox up to 111 memory corruption (EUVD-2023-33093 / Nessus ID 247382)
A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 111. This impacts an unknown function. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2023-29551. The attack may be…
SOC Incident Playbook: Vulnerability Remediation & Verification
title: Detect Exploitation - CVE-2023-29551 | Mozilla Firefox up to 111 memory corruption (EUVD-2023-33093 / Nessus ID 247382)
id: b35eeb9f-51e9-4687-881d-1e07f619b774
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-2023-29551 | Mozilla Firef" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2023-29551 | Mozilla Firefox up to 1.... 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.
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