Net::IMAP. The manipulation leads to resource consumption.This vulnerability is traded as CVE-2025-25186. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
Intelligence View
⚡ tsecurity.de Intelligence
CVE-2025-25186 | ruby net-imap up to 0.3.7/0.4.18/0.5.5 Net::IMAP resource consumption (Nessus ID 233968)
A vulnerability, which was classified as problematic, was found in ruby net-imap up to 0.3.7/0.4.18/0.5.5. Affected is the function Net::IMAP. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2025-25186.…
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A vulnerability, which was classified as problematic, was found in ruby net-imap up to 0.3.7/0.4.18/0.5.5. Affected is the function
This vulnerability is traded as CVE-2025-25186. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
This vulnerability is traded as CVE-2025-25186. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
IoC Intelligence (1 Indikatoren)
CVE-2025-25186
IR-PLAYBOOK-RCEHIGH
Schritte anzeigen
SOC Incident Playbook: Remote Code Execution (RCE) Defense
1-Click Detection Engineering: Sigma & YARA RulesSOC Ready
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title: Detect Exploitation - CVE-2025-25186 | ruby net-imap up to 0.3.7/0.4.18/0.5.5 Net::IMAP resource consumption (Nessus ID 233968)
id: 1c98220b-74ee-4943-b5db-4b85c569f064
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-2025-25186 | ruby net-imap" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: NETWORK
LOCALIZED
Perimeter & Ingress
GEFÄHRDET (75%)
Lateral Pivot & AD
Geringes Risiko
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-2025-25186 | ruby net-imap up to 0.3.... 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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