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Message-ID: <AANLkTin4tr0dBPsWqP_vXEo75sDvcHBB2-4sC-yn3Xu0@mail.gmail.com>
Date: Tue, 23 Nov 2010 14:45:53 -0800
From: Adam Nichols <adam@...easedmind.com>
To: Mark Thomas <markt@...che.org>
Cc: Tomcat Developers List <dev@...cat.apache.org>,
Tomcat Users List <users@...cat.apache.org>,
announce@...cat.apache.org, full-disclosure@...ts.grok.org.uk,
bugtraq@...urityfocus.com, announce@...che.org
Subject: Re: [SECURITY] CVE-2010-4172: Apache Tomcat
Manager application XSS vulnerability
Tomcat 6.0.28 is not affected in the default configuration because all there
are no valid users defined in conf/tomcat-users.xml in the default
configuration and authorization is required for the /manager application.
No users => No login => No Exploit.
On Mon, Nov 22, 2010 at 11:11 AM, Mark Thomas <markt@...che.org> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> CVE-2010-4172: Apache Tomcat Manager application XSS vulnerability
>
> Severity: Tomcat 7.0.x - Low, Tomcat 6.0.x - Moderate
>
> Vendor: The Apache Software Foundation
>
> Versions Affected:
> - - Tomcat 7.0.0 to 7.0.4
> - Not affected in default configuration.
> - Affected if CSRF protection is disabled
> - Additional XSS issues if web applications are untrusted
> - - Tomcat 6.0.12 to 6.0.29
> - Affected in default configuration
> - Additional XSS issues if web applications are untrusted
> - - Tomcat 5.5.x
> - Not affected
>
> Description:
> The session list screen (provided by sessionList.jsp) in affected
> versions uses the orderBy and sort request parameters without applying
> filtering and therefore is vulnerable to a cross-site scripting attack.
> Users should be aware that Tomcat 6 does not use httpOnly for session
> cookies by default so this vulnerability could expose session cookies
> from the manager application to an attacker.
> A review of the Manager application by the Apache Tomcat security team
> identified additional XSS vulnerabilities if the web applications
> deployed were not trusted.
>
> Example:
> GET
>
> /manager/html/sessions?path=/&sort="><script>alert('xss')</script>order=ASC&action=injectSessions&refresh=Refresh+Sessions+list
>
> Mitigation:
> Users of affected versions should apply one of the following mitigations
> - - Tomcat 7.0.0 to 7.0.4
> - Remove the Manager application
> - Remove the sessionList.jsp and sessionDetail.jsp files
> - Ensure the CSRF protection is enabled
> - Apply the patch 7.0.4 patch (see below)
> - Update to 7.0.5 when released
> - - Tomcat 6.0.12 to 6.0.29
> - Remove the Manager application
> - Remove the sessionList.jsp and sessionDetail.jsp files
> - Apply the patch for 6.0.29 (see below)
> - Update to 6.0.30 when released
>
> No release date has been set for the next Tomcat 7.0.x and Tomcat 6.0.x
> releases.
>
> Credit:
> The original issue was discovered by Adam Muntner of Gotham Digital
> Science.
> Additional issues were identified by the Tomcat security team as a
> result of reviewing the original issue.
>
> References:
> http://tomcat.apache.org/security.html
> http://tomcat.apache.org/security-7.html
> http://tomcat.apache.org/security-6.html
>
> Note: The patches The Apache Tomcat Security Team
>
>
> ****************
> Patch for 6.0.29
> ****************
>
> Index: webapps/manager/WEB-INF/jsp/sessionDetail.jsp
> ===================================================================
> - --- webapps/manager/WEB-INF/jsp/sessionDetail.jsp (revision 1037769)
> +++ webapps/manager/WEB-INF/jsp/sessionDetail.jsp (working copy)
> @@ -30,8 +30,10 @@
> <% String path = (String) request.getAttribute("path");
> Session currentSession =
> (Session)request.getAttribute("currentSession");
> HttpSession currentHttpSession = currentSession.getSession();
> - - String currentSessionId = currentSession.getId();
> - - String submitUrl =
> ((HttpServletRequest)pageContext.getRequest()).getRequestURL().toString();
> + String currentSessionId = JspHelper.escapeXml(currentSession.getId());
> + String submitUrl = JspHelper.escapeXml(
> + ((HttpServletRequest)
> pageContext.getRequest()).getRequestURI() +
> + "?path=" + path);
> %>
> <head>
> <meta http-equiv="content-type" content="text/html;
> charset=iso-8859-1"/>
> @@ -45,7 +47,7 @@
> <title>Sessions Administration: details for <%= currentSessionId
> %></title>
> </head>
> <body>
> - -<h1>Details for Session <%= JspHelper.escapeXml(currentSessionId)
> %></h1>
> +<h1>Details for Session <%= currentSessionId %></h1>
> <table style="text-align: left;" border="0">
> <tr>
> @@ -54,7 +56,7 @@
> </tr>
> <tr>
> <th>Guessed Locale</th>
> - - <td><%= JspHelper.guessDisplayLocaleFromSession(currentSession)
> %></td>
> + <td><%=
>
> JspHelper.escapeXml(JspHelper.guessDisplayLocaleFromSession(currentSession))
> %></td>
> </tr>
> <tr>
> <th>Guessed User</th>
> @@ -120,7 +122,7 @@
> String attributeName = (String)
> attributeNamesEnumeration.nextElement();
> %>
> <tr>
> - - <td align="center"><form action="<%= submitUrl
> %>"><div><input
> type="hidden" name="path" value="<%= path %>" /><input type="hidden"
> name="action" value="removeSessionAttribute" /><input type="hidden"
> name="sessionId" value="<%= currentSessionId %>" /><input type="hidden"
> name="attributeName" value="<%= attributeName %>" /><input type="submit"
> value="Remove" /></div></form></td>
> + <td align="center"><form action="<%= submitUrl
> %>"><div><input
> type="hidden" name="action" value="removeSessionAttribute" /><input
> type="hidden" name="sessionId" value="<%= currentSessionId %>" /><input
> type="hidden" name="attributeName" value="<%=
> JspHelper.escapeXml(attributeName) %>" /><input type="submit"
> value="Remove" /></div></form></td>
> <td><%= JspHelper.escapeXml(attributeName) %></td>
> <td><% Object attributeValue =
> currentHttpSession.getAttribute(attributeName); %><span title="<%=
> attributeValue == null ? "" : attributeValue.getClass().toString()
> %>"><%= JspHelper.escapeXml(attributeValue) %></span></td>
> </tr>
> Index: webapps/manager/WEB-INF/jsp/sessionsList.jsp
> ===================================================================
> - --- webapps/manager/WEB-INF/jsp/sessionsList.jsp (revision 1037769)
> +++ webapps/manager/WEB-INF/jsp/sessionsList.jsp (working copy)
> @@ -26,7 +26,9 @@
> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
> <% String path = (String) request.getAttribute("path");
> - - String submitUrl =
> ((HttpServletRequest)pageContext.getRequest()).getRequestURI() +
> "?path=" + path;
> + String submitUrl = JspHelper.escapeXml(
> + ((HttpServletRequest)
> pageContext.getRequest()).getRequestURI() +
> + "?path=" + path);
> Collection activeSessions = (Collection)
> request.getAttribute("activeSessions");
> %>
> <head>
> @@ -38,10 +40,10 @@
> <meta name="author" content="Cedrik LIME"/>
> <meta name="copyright" content="copyright 2005-2010 the Apache
> Software Foundation"/>
> <meta name="robots" content="noindex,nofollow,noarchive"/>
> - - <title>Sessions Administration for <%= path %></title>
> + <title>Sessions Administration for <%= JspHelper.escapeXml(path)
> %></title>
> </head>
> <body>
> - -<h1>Sessions Administration for <%= path %></h1>
> +<h1>Sessions Administration for <%= JspHelper.escapeXml(path) %></h1>
> <p>Tips:</p>
> <ul>
> @@ -55,13 +57,13 @@
> <form action="<%= submitUrl %>" method="post" id="sessionsForm">
> <fieldset><legend>Active HttpSessions informations</legend>
> <input type="hidden" name="action" id="sessionsFormAction"
> value="injectSessions"/>
> - - <input type="hidden" name="sort" id="sessionsFormSort"
> value="<%=
> (String) request.getAttribute("sort") %>"/>
> + <input type="hidden" name="sort" id="sessionsFormSort"
> value="<%=
> JspHelper.escapeXml(request.getAttribute("sort")) %>"/>
> <% String order = (String) request.getAttribute("order");
> if (order == null || "".equals(order)) {
> order = "ASC";
> }
> %>
> - - <input type="hidden" name="order"
> id="sessionsFormSortOrder"
> value="<%= order %>"/>
> + <input type="hidden" name="order"
> id="sessionsFormSortOrder"
> value="<%= JspHelper.escapeXml(order) %>"/>
> <input type="submit" name="refresh" id="refreshButton"
> value="Refresh
> Sessions list"
>
> onclick="document.getElementById('sessionsFormAction').value='refreshSessions';
> return true;"/>
> <%= JspHelper.formatNumber(activeSessions.size()) %> active
> Sessions<br/>
> <table border="1" cellpadding="2" cellspacing="2"
> width="100%">
> @@ -95,13 +97,13 @@
> <% Iterator iter = activeSessions.iterator();
> while (iter.hasNext()) {
> Session currentSession = (Session) iter.next();
> - - String currentSessionId = currentSession.getId();
> + String currentSessionId =
> JspHelper.escapeXml(currentSession.getId());
> %>
> <tr>
> <td>
> - -<input type="checkbox" name="sessionIds" value="<%= currentSessionId
> %>" /><a href="<%= submitUrl
> %>&action=sessionDetail&sessionId=<%= currentSessionId %>"
> target="_blank"><%= JspHelper.escapeXml(currentSessionId) %></a>
> +<input type="checkbox" name="sessionIds" value="<%= currentSessionId
> %>" /><a href="<%= submitUrl
> %>&action=sessionDetail&sessionId=<%= currentSessionId %>"
> target="_blank"><%= currentSessionId %></a>
> </td>
> - - <td style="text-align: center;"><%=
> JspHelper.guessDisplayLocaleFromSession(currentSession) %></td>
> + <td style="text-align: center;"><%=
>
> JspHelper.escapeXml(JspHelper.guessDisplayLocaleFromSession(currentSession))
> %></td>
> <td style="text-align: center;"><%=
> JspHelper.guessDisplayUserFromSession(currentSession) %></td>
> <td style="text-align: center;"><%=
> JspHelper.getDisplayCreationTimeForSession(currentSession) %></td>
> <td style="text-align: center;"><%=
> JspHelper.getDisplayLastAccessedTimeForSession(currentSession) %></td>
>
>
>
> ***************
> Patch for 7.0.4
> ***************
>
> Index: webapps/manager/WEB-INF/jsp/sessionDetail.jsp
> ===================================================================
> - --- webapps/manager/WEB-INF/jsp/sessionDetail.jsp (revision 1037768)
> +++ webapps/manager/WEB-INF/jsp/sessionDetail.jsp (working copy)
> @@ -30,9 +30,10 @@
> <% String path = (String) request.getAttribute("path");
> Session currentSession =
> (Session)request.getAttribute("currentSession");
> HttpSession currentHttpSession = currentSession.getSession();
> - - String currentSessionId = currentSession.getId();
> - - String submitUrl = response.encodeURL(((HttpServletRequest)
> - - pageContext.getRequest()).getRequestURL().toString());
> + String currentSessionId = JspHelper.escapeXml(currentSession.getId());
> + String submitUrl = JspHelper.escapeXml(response.encodeURL(
> + ((HttpServletRequest)
> pageContext.getRequest()).getRequestURI() +
> + "?path=" + path));
> %>
> <head>
> <meta http-equiv="content-type" content="text/html;
> charset=iso-8859-1"/>
> @@ -46,7 +47,7 @@
> <title>Sessions Administration: details for <%= currentSessionId
> %></title>
> </head>
> <body>
> - -<h1>Details for Session <%= JspHelper.escapeXml(currentSessionId)
> %></h1>
> +<h1>Details for Session <%= currentSessionId %></h1>
> <table style="text-align: left;" border="0">
> <tr>
> @@ -55,7 +56,7 @@
> </tr>
> <tr>
> <th>Guessed Locale</th>
> - - <td><%= JspHelper.guessDisplayLocaleFromSession(currentSession)
> %></td>
> + <td><%=
>
> JspHelper.escapeXml(JspHelper.guessDisplayLocaleFromSession(currentSession))
> %></td>
> </tr>
> <tr>
> <th>Guessed User</th>
> @@ -89,7 +90,6 @@
> <form method="post" action="<%= submitUrl %>">
> <div>
> - - <input type="hidden" name="path" value="<%= path %>" />
> <input type="hidden" name="sessionId" value="<%= currentSessionId
> %>" />
> <input type="hidden" name="action" value="sessionDetail" />
> <input type="submit" value="Refresh" />
> @@ -131,10 +131,9 @@
> <td align="center">
> <form method="post" action="<%= submitUrl %>">
> <div>
> - - <input type="hidden" name="path" value="<%=
> path %>" />
> <input type="hidden" name="action"
> value="removeSessionAttribute" />
> <input type="hidden" name="sessionId"
> value="<%= currentSessionId %>" />
> - - <input type="hidden" name="attributeName"
> value="<%= attributeName %>" />
> + <input type="hidden" name="attributeName"
> value="<%= JspHelper.escapeXml(attributeName) %>" />
> <%
> if
> ("Primary".equals(request.getAttribute("sessionType"))) {
> %>
> @@ -156,7 +155,6 @@
> <form method="post" action="<%=submitUrl%>">
> <p style="text-align: center;">
> - - <input type="hidden" name="path" value="<%= path %>" />
> <input type="submit" value="Return to session list" />
> </p>
> </form>
> Index: webapps/manager/WEB-INF/jsp/sessionsList.jsp
> ===================================================================
> - --- webapps/manager/WEB-INF/jsp/sessionsList.jsp (revision 1037768)
> +++ webapps/manager/WEB-INF/jsp/sessionsList.jsp (working copy)
> @@ -28,8 +28,9 @@
> <%@...e import="org.apache.catalina.manager.DummyProxySession"%><html
> xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
> <% String path = (String) request.getAttribute("path");
> - - String submitUrl = response.encodeURL(((HttpServletRequest)
> - - pageContext.getRequest()).getRequestURI() + "?path=" + path);
> + String submitUrl = JspHelper.escapeXml(response.encodeURL(
> + ((HttpServletRequest)
> pageContext.getRequest()).getRequestURI() +
> + "?path=" + path));
> Collection activeSessions = (Collection)
> request.getAttribute("activeSessions");
> %>
> <head>
> @@ -41,10 +42,10 @@
> <meta name="author" content="Cedrik LIME"/>
> <meta name="copyright" content="copyright 2005-2010 the Apache
> Software Foundation"/>
> <meta name="robots" content="noindex,nofollow,noarchive"/>
> - - <title>Sessions Administration for <%= path %></title>
> + <title>Sessions Administration for <%= JspHelper.escapeXml(path)
> %></title>
> </head>
> <body>
> - -<h1>Sessions Administration for <%= path %></h1>
> +<h1>Sessions Administration for <%= JspHelper.escapeXml(path) %></h1>
> <p>Tips:</p>
> <ul>
> @@ -58,13 +59,13 @@
> <form action="<%= submitUrl %>" method="post" id="sessionsForm">
> <fieldset><legend>Active HttpSessions informations</legend>
> <input type="hidden" name="action" id="sessionsFormAction"
> value="injectSessions"/>
> - - <input type="hidden" name="sort" id="sessionsFormSort"
> value="<%= (String) request.getAttribute("sort") %>"/>
> + <input type="hidden" name="sort" id="sessionsFormSort"
> value="<%= JspHelper.escapeXml(request.getAttribute("sort")) %>"/>
> <% String order = (String) request.getAttribute("order");
> if (order == null || "".equals(order)) {
> order = "ASC";
> }
> %>
> - - <input type="hidden" name="order" id="sessionsFormSortOrder"
> value="<%= order %>"/>
> + <input type="hidden" name="order" id="sessionsFormSortOrder"
> value="<%= JspHelper.escapeXml(order) %>"/>
> <input type="submit" name="refresh" id="refreshButton"
> value="Refresh Sessions list"
>
> onclick="document.getElementById('sessionsFormAction').value='refreshSessions';
> return true;"/>
> <%= JspHelper.formatNumber(activeSessions.size()) %> active
> Sessions<br/>
> <table border="1" cellpadding="2" cellspacing="2" width="100%">
> @@ -100,7 +101,7 @@
> <% Iterator iter = activeSessions.iterator();
> while (iter.hasNext()) {
> Session currentSession = (Session) iter.next();
> - - String currentSessionId = currentSession.getId();
> + String currentSessionId =
> JspHelper.escapeXml(currentSession.getId());
> String type;
> if (currentSession instanceof DeltaSession) {
> if (((DeltaSession) currentSession).isPrimarySession()) {
> @@ -121,13 +122,13 @@
> out.print(currentSessionId);
> } else {
> %>
> - - <a href="<%= submitUrl
> %>&action=sessionDetail&sessionId=<%= currentSessionId
> %>&sessionType=<%= type %>"><%=
> JspHelper.escapeXml(currentSessionId) %></a>
> + <a href="<%= submitUrl
> %>&action=sessionDetail&sessionId=<%= currentSessionId
> %>&sessionType=<%= type %>"><%= currentSessionId %></a>
> <%
> }
> %>
> </td>
> <td style="text-align: center;"><%= type %></td>
> - - <td style="text-align: center;"><%=
> JspHelper.guessDisplayLocaleFromSession(currentSession) %></td>
> + <td style="text-align: center;"><%=
>
> JspHelper.escapeXml(JspHelper.guessDisplayLocaleFromSession(currentSession))
> %></td>
> <td style="text-align: center;"><%=
> JspHelper.guessDisplayUserFromSession(currentSession) %></td>
> <td style="text-align: center;"><%=
> JspHelper.getDisplayCreationTimeForSession(currentSession) %></td>
> <td style="text-align: center;"><%=
> JspHelper.getDisplayLastAccessedTimeForSession(currentSession) %></td>
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