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             AUSCERT External Security Bulletin Redistribution

                        ESB-2009.0619 -- [Solaris]
           Apache 1.3 "mod_jk" Module: Access Confidential Data
                               29 June 2009


        AusCERT Security Bulletin Summary

Product:              Apache 1.3 "mod_jk" Module
Publisher:            Sun Microsystems
Operating System:     Solaris
Impact:               Access Confidential Data
Access:               Remote/Unauthenticated
CVE Names:            CVE-2008-5519

Ref:                  ESB-2009.0345

Original Bulletin:    

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Solution Type Sun Alert

Solution  262468 : Security Vulnerability in the Apache 1.3 "mod_jk" 
                   Module may Lead to Unauthorized Access to Data  
Bug ID:            6828821
Product:           Solaris 9 Operating System
                   Solaris 10 Operating System
Date of Resolved Release: 25-Jun-2009

SA Document Body

Security Vulnerability in the Apache 1.3 "mod_jk" Module ... (see below for 

1. Impact

Security vulnerability has been found in the Tomcat Connector (mod_jk)
module for Apache HTTP server which affects the Apache 1.3 web server
bundled with Solaris 10 and Solaris 9.

This issue may allow a remote unprivileged user who provides a specially 
crafted HTTP requests to bypass access control and gain access to 
unauthorized data.

Additional information regarding this issue is available at:

CVE-2008-5519 at: 

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform

    * Solaris 10 with patch 122911-12 or later and without patch 122911-16
    * Solaris 9 with patch 114016-02 or later and without patch 114016-04

x86 Platform

    * Solaris 10 with patch 122912-12 or later and without patch 122912-16
    * Solaris 9 with patch 114017-02 or later and without patch 114017-04

Note 1: A system is only vulnerable to the described issue if the
        Apache 1.3 web server has been configured and is running on the 

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

Note 2: The vulnerability only affects systems which make use of the
        Apache 1.3 module mod_jk.

To determine if the mod_jk module is used, a command such as the
following can be run to search the Apache configuration files for
the use of the Tomcat connector. This should be repeated for all of
the configuration files that define the running Apache 1.3 configuration:

    $ grep mod_jk.so /etc/apache/tomcat.conf
    LoadModule jk_module    libexec/mod_jk.so

Note 3: Solaris 8 does not include the "mod_jk" module and so it is not 
        impacted by this issue.

Note 4: OpenSolaris never included version of Apache 1.3 module "mod_jk"
        which is vulnerable to this issue and thus it is not impacted.

3. Symptoms

There are no predictable symptoms that would indicate that this issue has 
been exploited.

4. Relief/Workaround

There is no workaround for this issue.

5. Resolution

This issue is resolved in the following releases:

SPARC Platform

    * Solaris 10 with patch 122911-16 or later
    * Solaris 9 with patch 114016-04 or later

x86 Platform

    * Solaris 10 with patch 122912-16 or later
    * Solaris 9 with patch 114017-04 or later

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

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