CB-K21/1297
Risikostufe 3
Titel:Apache log4j: Schwachstelle ermöglicht Denial of ServiceDatum:20.12.2021Software:Apache log4j < 2.17.0, Cisco Emergency Responder (ER), Cisco Finesse, Cisco Firepower, Cisco Identity Services Engine (ISE), Cisco Integrated Management Controller, Cisco Network Services Orchestrator, Cisco Nexus Dashboard, Cisco Nexus Insights, Cisco SD-WAN vManage, Cisco Unified Communications Manager (CUCM), Cisco Unified Communications Manager IM & Presence Service, Cisco Unified Computing System (UCS), Cisco Unified Computing System (UCS) Director, Cisco Unified Contact Center Enterprise, Cisco Unified Contact Center Express (UCCX), Cisco Unified Intelligence Center, Cisco Unity Connection, Cisco Video Surveillance Operations Manager, Cisco WebEx Workforce Optimization, Cisco WebEx Meetings Server, Citrix Systems Virtual Apps and Desktops, Debian Linux, Ubuntu LinuxPlattform:CISCO Appliance, Linux, MacOS X, Native Hypervisor, NetApp Appliance, Sonstiges, UNIX, WindowsAuswirkung:Denial-of-ServiceRemoteangriff:JaRisiko:mittelCVE Liste:CVE-2021-45105Bezug:
Beschreibung
Apache log4j ist ein Framework zum Loggen von Anwendungsmeldungen in Java.
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache log4j ausnutzen, um einen Denial of Service Angriff durchzuführen.
Quellen:
- Apache Log4j Security Vulnerabilities vom 2021-12-17
- Ubuntu Security Notice USN-5203-1
- Debian Security Advisory DSA-5024-1
- Citrix Security Advisory CTX335705
- Cisco Security Advisory cisco-sa-apache-log4j-qRuKNEbd
- GitHub Security Advisory GHSA-P6XC-XR62-6R2G
- PoC
- NetApp Security Advisory NTAP-20211218-0001
- Siemens Security Advisory SSA-501673