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Knowledge Base

Address Samba Remote Code Execution and Clickjack vulnerabilities in vRealize Log Insight 4.x (67982)

Last Updated: 7/16/2020Categories: SecurityTotal Views: 3214Language:
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Symptoms

Security scans report CVE-2012-1182 and/or the Clickjacking vulnerability.

Purpose

To address Samba Remote Code Execution (CVE-2012-1182) and Clickjack vulnerabilities

Impact / Risks

Before modifying the appliance, take a snapshot of the vRealize Log Insight nodes.
Do not snapshot the virtual machine’s memory or quiesce the guest file system when creating the snapshots.

Adding the filters in the Resolution section will block the ability to open vRealize Log Insight objects in vRealize Operations Manager via launch in context.

Resolution

Uninstall the offending Samba application and add the X-Frame-Options header to the web.xml file.

Log into the Primary node as root via SSH or console.

Run the following command to uninstal Samba:

rpm -e --nodeps libsmbclient0-3.6.3-94.8.1

Open the /usr/lib/loginsight/application/3rd_party/apache-tomcat-8.5.XX/webapps/ROOT/WEB-INF/web.xml file in a text editor.

Add the following tags and values to the web.xml script:

<filter>
<filter-name>httpHeaderSecurity</filter-name>
<filter-class>org.apache.catalina.filters.HttpHeaderSecurityFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>hstsMaxAgeSeconds</param-name>
<param-value>31536000</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>httpHeaderSecurity</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

Save and close the file.

Restart the Log Insight service:

service loginsight restart

Repeat steps 1-6 on all other nodes in the vRealize Log Insight cluster.

Related Information

vRealize Log Insight 8.x and later are not affected by CVE-2012-1182, as the Samba rpm is not included by default, and the required tags and values are already included in web.xml.

Detectable by VMware SkylineTM

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Additional Resources

KB
•
End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

KB
•
在 Enterprise PKS 中，发现 worker 节点和主节点上的 CPU 利用率很高 (70608)

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Related Products:

VMware vRealize Log Insight

Related Versions:

VMware vRealize Log Insight 4.x

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