(Red Hat Issues Fix) Tomcat UTF-8 'AllowLinking' Java Bug Lets Remote Users Traverse the Directory
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SecurityTracker Alert ID: 1021354 |
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SecurityTracker URL: http://securitytracker.com/id/1021354
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CVE Reference:
CVE-2008-2938
(Links to External Site)
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Date: Dec 8 2008
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Impact:
Disclosure of system information, Disclosure of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 6.0.0 - 6.0.16
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Description:
A vulnerability was reported in Tomcat. A remote user can view files on the target system.
A remote user can supply a specially crafted request to view files on target system that are located outside of the document directory.
If a context is configured with allowLinking="true" and the connector is configured with URIEncoding="UTF-8", the system may be vulnerable.
A demonstration exploit URL is provided:
http://[target]/%c0%ae%c0%ae/%c0%ae%c0%ae/%c0%ae%c0%ae/foo/bar
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Impact:
A remote user can view files on the target system.
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Solution:
Red Hat has released a fix for Red Hat Network Satellite Server.
The Red Hat advisory is available at:
https://rhn.redhat.com/errata/RHSA-2008-1007.html
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Vendor URL: tomcat.apache.org/security.html (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
Linux (Red Hat Enterprise)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Mon, 8 Dec 2008 04:04:19 -0500
Subject: [RHSA-2008:1007-01] Low: tomcat security update for Red Hat Network
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Low: tomcat security update for Red Hat Network Satellite Server
Advisory ID: RHSA-2008:1007-01
Product: Red Hat Network Satellite Server
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-1007.html
Issue date: 2008-12-08
CVE Names: CVE-2008-1232 CVE-2008-1947 CVE-2008-2370
CVE-2008-2938 CVE-2008-3271
=====================================================================
1. Summary:
Updated tomcat packages that fix multiple security issues are now available
for Red Hat Network Satellite Server.
This update has been rated as having low security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Network Satellite Server 5.1 (RHEL v.4 AS) - noarch
3. Description:
This update corrects several security vulnerabilities in the Tomcat
component shipped as part of Red Hat Network Satellite Server. In a
typical operating environment, Tomcat is not exposed to users
of Satellite Server in a vulnerable manner. These security updates will
reduce risk in unique Satellite Server environments.
Multiple flaws were fixed in the Apache Tomcat package. (CVE-2008-1232,
CVE-2008-1947, CVE-2008-2370, CVE-2008-2938, CVE-2008-3271)
Users of Red Hat Network Satellite Server 5.0 or 5.1 are advised to update
to these Tomcat packages which resolve these issues.
4. Solution:
This update is available via Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
http://www.redhat.com/docs/manuals/satellite/Red_Hat_Network_Satellite-5.0.0/html/Installation_Guide/s1-maintenance-update.html
5. Bugs fixed (http://bugzilla.redhat.com/):
446393 - CVE-2008-1947 Tomcat host manager xss - name field
456120 - CVE-2008-2938 tomcat Unicode directory traversal vulnerability
457597 - CVE-2008-1232 tomcat: Cross-Site-Scripting enabled by sendError call
457934 - CVE-2008-2370 tomcat RequestDispatcher information disclosure vulnerability
466875 - CVE-2008-3271 tomcat RemoteFilterValve Information disclosure
6. Package List:
Red Hat Network Satellite Server 5.1 (RHEL v.4 AS):
noarch:
tomcat5-5.0.30-0jpp_12rh.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1232
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1947
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2370
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2938
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3271
http://www.redhat.com/security/updates/classification/#low
http://tomcat.apache.org/security-5.html
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc.
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