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             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1652
   Security Vulnerability in the Apache 1.3 "mod_perl" Module Component
            "Status.pm" May Lead to Unauthorized Access to Data
                             17 December 2009

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           mod_perl
Publisher:         Sun Microsystems
Operating System:  Solaris
Impact/Access:     Cross-site Scripting   -- Remote with User Interaction
                   Access Privileged Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2009-0796  

Reference:         ESB-2009.0353

Original Bulletin: 
   http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-274110-1

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Article ID : 274110
Article Type : Sun Alert
Last reviewed : 2009-12-15
Audience : PUBLIC
Keywords :

Copyright Notice: Copyright © 2009 Sun Microsystems, Inc. All Rights
Reserved

Security Vulnerability in the Apache 1.3 "mod_perl" Module Component
"Status.pm" May Lead to Unauthorized Access to Data
  _________________________________________________________________

Category : Security
Release Phase : Workaround
Bug Id : 6840453
Product : Solaris 8 Operating System
Solaris 9 Operating System
Solaris 10 Operating System
OpenSolaris
Date of Workaround Release : 15-Dec-2009

Security Vulnerability in the Apache 1.3 "mod_perl" Module Component "Status.pm" 
May Lead to Unauthorized Access to Data


1. Impact
A cross-site scripting (XSS) vulnerability in the Apache 1.3 HTTP
server "mod_perl" module's perl-status utility may allow an
unprivileged remote user to inject arbitrary web script or HTML while
accessing a crafted URL to perl-status utility. This can result in
various impacts including the theft of sensitive information such as
cookie information, access to user credentials or the hijacking of
sessions.
Additional information regarding this issue is available at:

CVE-2009-0796 at
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0796


2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
  * Solaris 8
  * Solaris 9
  * Solaris 10 without patch 122911-18
  * OpenSolaris based upon builds snv_01 through snv_116

x86 Platform
  * Solaris 8
  * Solaris 9
  * Solaris 10 without patch 122912-18
  * OpenSolaris based upon builds snv_01 through snv_116

Notes:

1. OpenSolaris distributions may include additional bug fixes above
and beyond the build from which it was derived. To determine the base
build of OpenSolaris, the following command can be used:
$ uname -v
snv_111


2. A system is only vulnerable to the described issue if the Apache

1.3 web server has been configured and is running on the system.
The following command can be executed to determine if the Apache 1.3
web server is currently running on the system:
$ /usr/bin/ps -ef | grep httpd
nobody 103892 102307 0 Jan 20 ? 0:27 /usr/apache/bin/httpd


3. The vulnerability only affects systems which make use of the Apache

1.3 Server mod_perl(3) (Status.pm) component.
To determine if the "Status.pm" component is used, the following
command can be run for all configuration files that define the running
Apache 1.3 configurations:
$ grep Apache::Status  /etc/apache/httpd.conf
PerlHandler Apache::Status

Note: Solaris 8 entered EOSL Phase 2 on 1 April 2009. Entitlement to
patches developed on or after 1 April 2009 requires the purchase of
the Solaris 8 Vintage Patch Service. See Note in section 5 for more
details.

3. Symptoms
There are no predictable symptoms that would indicate the issue has
been exploited.

4. Workaround
To work around the described issue, do not configure the mod_perl(3)
component Status.pm in the Apache 1.3 "httpd.conf" file. This may be
done by commenting the corresponding sections in the configuration
file which contain "Apache::Status".

5. Resolution
This issue is addressed in the following releases:
SPARC Platform
  * Solaris 10 with patch 122911-18 or later
  * OpenSolaris based upon builds snv_117 or later

x86 Platform
  * Solaris 10 with patch 122912-18 or later
  * OpenSolaris based upon builds snv_117 or later

A final resolution is pending completion for Solaris 8, 9, and 10.
Note: The READMEs of Solaris 8 patches developed on or after 1 April
2009 are available to all customers however Solaris 8 entered EOSL
Phase 2 on April 1, 2009 and thus entitlement for these patches,
including those that fix security vulnerabilities, requires the
purchase of the Solaris 8 Vintage Patch Service. More information
about the Solaris 8 Vintage Patch Service is available at:

http://www.sun.com/service/eosl/Solaris8.html

For more information on Security Sun Alerts, see Technical
Instruction ID 213557.

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 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved

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