STIGQter: STIG Summary: VMware vSphere 6.7 STS Tomcat Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

The Security Token Service must use the "setCharacterEncodingFilter" filter.

DISA Rule

SV-239672r679088_rule

Vulnerability Number

V-239672

Group Title

SRG-APP-000251-WSR-000157

Rule Version

VCST-67-000021

Severity

CAT II

CCI(s)

• CCI-001310 - The information system checks the validity of organization-defined inputs.

Weight

10

Fix Recommendation

Navigate to and open /usr/lib/vmware-sso/vmware-sts/conf/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>
<param-name>ignore</param-name>
<param-value>false</param-value>
</init-param>
<async-supported>true</async-supported>
</filter>

Check Contents

At the command prompt, execute the following command:

# xmllint --format /usr/lib/vmware-sso/vmware-sts/conf/web.xml | sed '2 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, execute the following command:

# xmllint --format /usr/lib/vmware-sso/vmware-sts/conf/web.xml | sed '2 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>
<param-name>ignore</param-name>
<param-value>false</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-239672

Documentable

False

Rule Version

VCST-67-000021

Severity Override Guidance

At the command prompt, execute the following command:

# xmllint --format /usr/lib/vmware-sso/vmware-sts/conf/web.xml | sed '2 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, execute the following command:

# xmllint --format /usr/lib/vmware-sso/vmware-sts/conf/web.xml | sed '2 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>
<param-name>ignore</param-name>
<param-value>false</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

5333

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