On December 9, 2021, a log4j vulnerability report was released on the Github platform, specifically CVE-2021-44228. This vulnerability could allow attackers to execute unwanted server-side code.
Products affected by this vmware bug:
VMware Horizon (8.x, 7.x)
VMware vCenter Server (7.x, 6.5.x, 6.7.x)
VMware HCX (4.x, 3.x)
VMware NSX-T Data Center (3.x, 2.x)
VMware Unified Access Gateway (21.x, 20.x, 3.x)
VMware Workspace ONE Access (21.x, 20.x)
VMware Identity Manager (3.x)
VMware vRealize Operations (8.x)
VMware vRealize Operations Cloud Proxy (Any)
VMware vRealize Log Insight (8.x)
VMware vRealize Automation (8.x, 7.6)
VMware Telco Cloud Automation (2.x, 1.x)
VMware Carbon Black Cloud Workload Appliance (1.x)
VMware Site Recovery Manager (8.x)
VMware Tanzu Gemfire (1.14.x, 1.13.x, 1.10.x)
VMware Tanzu Greenplum (6.x)
VMware Tanzu Operations Manager (2.x)
VMware Tanzu Application Service for VMs (2.x)
VMware Tanzu Kubernetes Grid Integrated Edition (1.x)
VMware Tanzu Observability by Wavefront Nozzle (3.x, 2.x)
Healthware for Tanzu Application Service (2.x, 1.x)
Spring Cloud Services for VMware Tanzu (3.x)
Spring Cloud Gateway for VMware Tanzu (1.x)
Spring Cloud Gateway for Kubernetes (1.x)
API Portal for VMware Tanzu (1.x)
Single Sign-On for VMware Tanzu Application Service (1.x)
App Metrics (2.x)
VMware vCenter Cloud Gateway (1.x)
VMware Tanzu SQL with MySQL for VMs (1.x, 2.x)
vRealize Orchestrator (7.6, 8.x)
VMware Cloud Foundation (4.x, 3.x)
VMware Workspace ONE Access Connector (21.x, 20.10.x, 19.03.0.1)
VMware Horizon DaaS (9.1.x, 9.0.x)
VMware Horizon Cloud Connector (1.x, 2.x)
VMware NSX Data Center for vSphere (6.x)
VMware AppDefense Appliance (2.x)
VMware Cloud Director Object Storage Extension (2.1.x, 2.0.x)
VMware Telco Cloud Operations (1.x)
VMware vRealize Log Insight (8.2, 8.3, 8.4, 8.6)
VMware Tanzu Scheduler (1.x)
VMware Smart Assurance NCM (10.1.6)
VMware Smart Assurance SAM [Service Assurance Manager] (10.1.2, 10.1.5)
VMware Integrated OpenStack (7.x)
VMware vRealize Business for Cloud (7.x)
VMware vRealize Network Insight (5.3, 6.x)
vCenter 6.7 and 7.x security patch
- Download the fix code:
cd /tmp
wget https://virtualall.sk.website.tuke.sk/wp-content/uploads/2021/12/vmsa-2021-0028-kb87081.zip
unzip vmsa-2021-0028-kb87081.zip
python vmsa-2021-0028-kb87081.py
reference:
vrealize automation 7.6 security fix
- disabling the vco-configurator application
service vco-configurator stop
2. Fix VRO
base64 -d <<< "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" | sh -
3. VRO Control Center update
/usr/lib/vco/tools/configuration-cli/bin/vro-configure-inner.sh controlcenter-update
4. Correction of vRA
base64 -d <<< "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" | sh -
"zip error: Nothing to do!" error can be ignored. It is not necessary to edit all unused libraries
5. Re-start services
service horizon-workspace restart && base64 -d <<< "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" | sh -
service elasticsearch restart
service vco-server status | grep PID && service vco-server restart
service vco-configurator start
service vcac-server restart
6. functionality check
check whether all processes are running with the parameter “Dlog4j2.formatMsgNoLookups = true”
ps aux | grep -i java | grep Dlog4j2.formatMsgNoLookups=true
check that the library "log4j-core-2 * jar" does not appear in the configuration files
find / -xdev -type f -name 'log4j-core-2*jar' -exec sh -c '/usr/bin/unzip -l "{}" | grep org/apache/logging/log4j/core/lookup/JndiLookup.class' \;
Reference:
Odborník na kybernetickú bezpečnosť, správu Azure Cloud a VMware onprem. Využíva technológie, ako Checkmk a MRTG, na monitorovanie siete a zvyšovanie efektívnosti a bezpečnosti IT infraštruktúry.