SPS servers vulnerable to an XXE injection attack

Document ID:  TEC1887706
Last Modified Date:  07/06/2017
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Products

  • CA Single Sign-On

Releases

  • CA Single Sign-On:Release:12.52 SP1

Components

  • SITEMINDER SECURE PROXY SERVER:SMSPS
Issue:

During security audit tests we found that our SPS server could be vulnerable to an XXE injection attack due to a XML SOAP Vulnerability.

Environment:
SPS R12.52 SP1 CR00
Resolution:

This has been fixed in R12.52 SP1 CR06, however you can solve this if affected in previous releases by applying the following steps:


1) On SPS go to /secure-proxy/Tomcat/webapps/affwebservices/WEB-INF folder.
2) Make a backup of web.xml file.
3) Stop SPS.
4) Edit web.xml and locate section (as shown below)
5) Remove or comment out the entire "router" servlet section.
6) Restart SPS.


<servlet>
    <servlet-name>router</servlet-name>
    <display-name>Apache-SOAP RPC Router</display-name>
    <description>This is the main servlet that dispatches the SOAP requests to registered web services</description>
    <servlet-class>org.apache.soap.server.http.RPCRouterServlet</servlet-class>
    <init-param>
      <param-name>faultListener</param-name>
      <param-value>org.apache.soap.server.DOMFaultListener</param-value>
    </init-param>
</servlet>

Additional Information:

Defects Fixed in 12.52 SP1 CR06

00424351 DE172435

CA Access Gateway is vulnerable to an XXE injection attack and able to retrieve confidential data and access sensitive files on the server, for example the "passwd" file.

 

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