checkPrefix of the file pw.c of the component 389 Directory Server. The manipulation results in stack-based buffer overflow.This vulnerability is cataloged as CVE-2026-11793. The attack may be launched remotely. There is no exploit available.
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CVE-2026-11793 | Red Hat Directory Server/Enterprise Linux 389 Directory Server pw.c checkPrefix stack-based overflow (Nessus ID 320359)
A vulnerability was found in Red Hat Directory Server and Enterprise Linux and classified as critical. Affected by this vulnerability is the function checkPrefix of the file pw.c of the component 389 Directory Server. The manipulation…
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A vulnerability was found in Red Hat Directory Server and Enterprise Linux and classified as critical. Affected by this vulnerability is the function
This vulnerability is cataloged as CVE-2026-11793. The attack may be launched remotely. There is no exploit available.
This vulnerability is cataloged as CVE-2026-11793. The attack may be launched remotely. There is no exploit available.
IoC Intelligence (1 Indikatoren)
CVE-2026-11793
CTI Threat Relationship Graph3 Knoten / 2 Relationen
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title: Detect Exploitation - CVE-2026-11793 | Red Hat Directory Server/Enterprise Linux 389 Directory Server pw.c checkPrefix stack-based overflow (Nessus ID 320359)
id: e0365f69-cc4d-4ba5-895d-69ea9856e00d
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-2026-11793 | Red Hat Direc" 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-2026-11793 | Red Hat Directory Serve.... 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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