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AUSCERT External Security Bulletin Redistribution
ESB-2007.0591 -- [Win][Linux][HP-UX][Solaris][AIX]
Vulnerability in Redirect Functionality Affects Sun Java System Web Server
10 August 2007
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Sun Java System Web Server 6.1 and 7.0
Publisher: Sun Microsystems
Operating System: Solaris
Linux variants
Windows
HP-UX
AIX
Impact: Inappropriate Access
Cross-site Scripting
Provide Misleading Information
Access: Remote/Unauthenticated
CVE Names: CVE-2007-4164
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-103003-1
Revision History: August 10 2007: Added CVE Name
August 6 2007: Initial Release
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Sun(sm) Alert Notification
* Sun Alert ID: 103003
* Synopsis: Vulnerability in Redirect Functionality Affects Sun Java
System Web Server
* Category: Security
* Product: Sun Java System Web Server 7.0, Sun Java System Web
Server 6.1
* BugIDs: 6519839
* Avoidance: Patch, Upgrade
* State: Resolved
* Date Released: 02-Aug-2007
* Date Closed: 02-Aug-2007
* Date Modified:
1. Impact
A vulnerability in Sun Java System Web Server may allow improper HTTP
header injection, HTTP response splitting attacks and unauthorized
access to resources.
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Sun Java System Web Server 6.1 without Service Pack 8
* Sun Java System Web Server 6.1 without patch 116648-20
* Sun Java System Web Server 7.0 without Update 1
* Sun Java System Web Server 7.0 without patch 125437-07
x86 Platform
* Sun Java System Web Server 6.1 without Service Pack 8
* Sun Java System Web Server 6.1 without patch 116649-20
* Sun Java System Web Server 7.0 without Update 1
* Sun Java System Web Server 7.0 without patch 125438-07
Linux
* Sun Java System Web Server 6.1 without Service Pack 8
* Sun Java System Web Server 6.1 without patch 118202-12
* Sun Java System Web Server 7.0 without Update 1
* Sun Java System Web Server 7.0 without patch 125439-07
Windows
* Sun Java System Web Server 6.1 without Service Pack 8
* Sun Java System Web Server 6.1 without patch 121524-04
* Sun Java System Web Server 7.0 without Update 1
* Sun Java System Web Server 7.0 without patch 125441-06
HP-UX
* Sun Java System Web Server 6.1 without Service Pack 8
* Sun Java System Web Server 6.1 without patch 121510-04
* Sun Java System Web Server 7.0 without Update 1
* Sun Java System Web Server 7.0 without patch 125440-01
AIX
* Sun Java System Web Server 6.1 without Service Pack 8
Note: Other versions of the above listed applications are not affected
by this issue.
To determine the version of Sun Java System Web Server 6.1 on a
system, the following command can be run:
$ <WS-install>/https-<host>/start -version
(Where <WS-install> is the installation directory of the Web Server
and <host> should be the actual host name on which the Web Server is
installed).
To determine the version of Sun Java System Web Server 7.0 on a
system, the following command can be run:
$ <WS-install>/bin/wadm --version
(Where <WS-install> is the installation directory of the Web Server).
This issue can occur when a 'redirect' Server Application Function
(SAF) is set to use the 'url-prefix' parameter along with the 'escape'
parameter being set to 'no', or an 'Error' directive is set to use the
'url-prefix' parameter in 'obj.conf' file.
3. Symptoms
There are no predictable symptoms that would indicate the described
issue has been exploited.
4. Relief/Workaround
To avoid this issue until an upgrade can be applied, edit the
'obj.conf' in the Webserer instance's 'config' directory to ensure the
following:
1. If you use the redirect SAF's url-prefix parameter, do not specify
escape="no".
2. Never use the url-prefix parameter in an 'Error' directive.
Safe examples:
NameTrans fn="redirect" from="/oldurl" url="/newurl" escape="no"
NameTrans fn="redirect" from="/oldprefix" url-prefix="/newprefix"
Error fn="redirect" from="/oldurl" url="/newurl"
Unsafe examples:
NameTrans fn="redirect" from="/oldprefix" url-prefix="/newprefix" escape="n
o"
Error fn="redirect" from="/oldprefix" url-prefix="/newprefix"
Error fn="redirect" from="/oldprefix" url-prefix="/newprefix" escape="yes"
(By default, the 'escape' parameter is set to "yes". If the 'obj.conf'
file is modified, the Webserver instance should be restarted).
5. Resolution
This issue is addressed in the following releases:
SPARC Platform
* Sun Java System Web Server 6.1 with Service Pack 8 or later
* Sun Java System Web Server 6.1 with patch 116648-20 or later
* Sun Java System Web Server 7.0 with Update 1 or later
* Sun Java System Web Server 7.0 with patch 125437-07 or later
x86 Platform
* Sun Java System Web Server 6.1 with Service Pack 8 or later
* Sun Java System Web Server 6.1 with patch 116649-20 or later
* Sun Java System Web Server 7.0 with Update 1 or later
* Sun Java System Web Server 7.0 with patch 125438-07 or later
Linux
* Sun Java System Web Server 6.1 with Service Pack 8 or later
* Sun Java System Web Server 6.1 with patch 118202-12 or later
* Sun Java System Web Server 7.0 with Update 1 or later
* Sun Java System Web Server 7.0 with patch 125439-07 or later
Windows
* Sun Java System Web Server 6.1 with Service Pack 8 or later
* Sun Java System Web Server 6.1 with patch 121524-04 or later
* Sun Java System Web Server 7.0 with Update 1 or later
* Sun Java System Web Server 7.0 with patch 125441-06 or later
HP-UX
* Sun Java System Web Server 6.1 with Service Pack 8 or later
* Sun Java System Web Server 6.1 with patch 121510-04 or later
* Sun Java System Web Server 7.0 with Update 1 or later
* Sun Java System Web Server 7.0 with patch 125440-01 or later
AIX
* Sun Java System Web Server 6.1 with Service Pack 8 later
Sun Java System Web Server 6.1 Service Pack 8 is available at
http://www.sun.com/download/products.xml?id=4694392a
Sun Java System Web Server 7.0 Update 1 is available at
http://www.sun.com/download/products.xml?id=467713d6
This Sun Alert notification is being provided to you on an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
warranties, or guarantees as to the information contained herein. ANY
AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
This Sun Alert notification contains Sun proprietary and confidential
information. It is being provided to you pursuant to the provisions of
your agreement to purchase services from Sun, or, if you do not have
such an agreement, the Sun.com Terms of Use. This Sun Alert
notification may only be used for the purposes contemplated by these
agreements.
Copyright 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved.
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