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Google Chrome 17.0.963.46 PDF Codec numeric error
A vulnerability, which was classified as critical, was found in Google Chrome 17.0.963.46 (Web Browser). This affects some unknown processing of the component PDF Codec Handler. Upgrading to version 17.0.963.56 eliminates this…
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A vulnerability, which was classified as critical, was found in Google Chrome 17.0.963.46 (Web Browser). This affects some unknown processing of the component PDF Codec Handler. Upgrading to version 17.0.963.56 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.
1. Sofort-Triage & Abwehrmaßnahmen
SOC Incident Playbook: Vulnerability Remediation & Verification
Syntax validiert (0 Fehler)
title: Detect Exploitation - Google Chrome 17.0.963.46 PDF Codec numeric error
id: 45fcea32-424f-4eac-a123-5a52f1ea2afb
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-27
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessSyntax validiert (0 Fehler)
rule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-27"
description = "YARA Signature for "
strings:
$str = "Google Chrome 17.0.963.46 PDF " ascii wide
condition:
any of them
}Syntax validiert (0 Fehler)
index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Google Chrome 17096346 PDF Codec numeric")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - countSyntax validiert (0 Fehler)
message: "*Google Chrome 17096346 PDF Codec numeric*"Syntax validiert (0 Fehler)
CommonSecurityLog
| where Message has "Google Chrome 17096346 PDF Codec numeric"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc2. Cyber Threat Intelligence & Forensik
CTI Threat Relationship Graph2 Knoten / 1 Relationen
🎯
MITRE ATT&CK Matrix Navigator 14 Taktiken
Reconnaissance
-
Resource Development
-
Initial Access
Execution
Persistence
-
Privilege Escalation
Defense Evasion
Credential Access
-
Discovery
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Lateral Movement
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Collection
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Command and Control
Exfiltration
-
Impact
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Analyse für identifizierte Bedrohung auf Basis von Live-CTI (ENISA EUVD): CVSS 0.0 · EPSS 0.0% · CISA KEV: nein. Handlungsableitung aus den verlinkten Hersteller-Quellen.
🛡️ 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.
Synthetische RAG-Antwort