STIGQter: STIG Summary: VMware vSphere 7.0 vCenter Appliance EAM Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 26 Jul 2023:

ESX Agent Manager must use the "setCharacterEncodingFilter" filter.

DISA Rule

SV-256693r888635_rule

Vulnerability Number

V-256693

Group Title

SRG-APP-000251-WSR-000157

Rule Version

VCEM-70-000021

Severity

CAT II

CCI(s)

• CCI-001310 - Checks the validity of organization-defined information inputs to the system.

Weight

10

Fix Recommendation

Navigate to and open:

/usr/lib/vmware-eam/web/webapps/eam/WEB-INF/web.xml

Configure the <web-app> node with the child nodes listed below:

<filter-mapping>
<filter-name>setCharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<filter>
<filter-name>setCharacterEncodingFilter</filter-name>
<filter-class>org.apache.catalina.filters.SetCharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>ignore</param-name>
<param-value>true</param-value>
</init-param>
<async-supported>true</async-supported>
</filter>

Restart the service with the following command:

# vmon-cli --restart eam

Check Contents

At the command prompt, run the following command:

# xmllint --format /usr/lib/vmware-eam/web/webapps/eam/WEB-INF/web.xml | sed 's/xmlns=".*"//g' | xmllint --xpath '/web-app/filter-mapping/filter-name[text()="setCharacterEncodingFilter"]/parent::filter-mapping' -

Expected result:

<filter-mapping>
<filter-name>setCharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

If the output is does not match the expected result, this is a finding.

At the command prompt, run the following command:

# xmllint --format /usr/lib/vmware-eam/web/webapps/eam/WEB-INF/web.xml | sed 's/xmlns=".*"//g' | xmllint --xpath '/web-app/filter/filter-name[text()="setCharacterEncodingFilter"]/parent::filter' -

Expected result:

<filter>
<filter-name>setCharacterEncodingFilter</filter-name>
<filter-class>org.apache.catalina.filters.SetCharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>ignore</param-name>
<param-value>true</param-value>
</init-param>
<async-supported>true</async-supported>
</filter>

If the output is does not match the expected result, this is a finding.

Vulnerability Number

V-256693

Documentable

False

Rule Version

VCEM-70-000021

Severity Override Guidance

At the command prompt, run the following command:

# xmllint --format /usr/lib/vmware-eam/web/webapps/eam/WEB-INF/web.xml | sed 's/xmlns=".*"//g' | xmllint --xpath '/web-app/filter-mapping/filter-name[text()="setCharacterEncodingFilter"]/parent::filter-mapping' -

Expected result:

<filter-mapping>
<filter-name>setCharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

If the output is does not match the expected result, this is a finding.

At the command prompt, run the following command:

# xmllint --format /usr/lib/vmware-eam/web/webapps/eam/WEB-INF/web.xml | sed 's/xmlns=".*"//g' | xmllint --xpath '/web-app/filter/filter-name[text()="setCharacterEncodingFilter"]/parent::filter' -

Expected result:

<filter>
<filter-name>setCharacterEncodingFilter</filter-name>
<filter-class>org.apache.catalina.filters.SetCharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>ignore</param-name>
<param-value>true</param-value>
</init-param>
<async-supported>true</async-supported>
</filter>

If the output is does not match the expected result, this is a finding.

Check Content Reference

M

Target Key

5524