A vulnerability classified as problematic has been found in Apple macOS. This affects an unknown function of the component Calendar. The manipulation leads to improper access controls. This vulnerability is traded as CVE-2022-42819. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected... Weiterlesen
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CVE-2022-42819 | Apple macOS Calendar access control (HT213488 / EUVD-2022-45882)
A vulnerability classified as problematic has been found in Apple macOS. This affects an unknown function of the component Calendar. The manipulation leads to improper access controls. This vulnerability is traded as CVE-2022-42819. An…
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IoC Intelligence (1 Indikatoren)
CVE-2022-42819
CTI Threat Relationship Graph2 Knoten / 1 Relationen
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title: Detect Exploitation - CVE-2022-42819 | Apple macOS Calendar access control (HT213488 / EUVD-2022-45882)
id: fe684618-1aaf-4e7a-b95d-0bde142c401b
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-2022-42819 | Apple macOS C" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
GEFÄHRDET (80%)
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
Geringes Risiko
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2022-42819 | Apple macOS Calendar ac.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 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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