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Date: Mon, 22 Nov 2010 19:03:21 +0000
From: Mark Thomas <markt@...che.org>
To: undisclosed-recipients:;
Subject: [SECURITY] CVE-2010-4172: Apache Tomcat Manager
application XSS vulnerability
-----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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