ESB-2018.1999 - [Win][UNIX/Linux] Adobe Connect: Multiple vulnerabilities 2018-07-11

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1999
         Security updates available for Adobe Connect | APSB18-22
                               11 July 2018

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

Product:           Adobe Connect
Publisher:         Adobe
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Increased Privileges     -- Remote with User Interaction
                   Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-12805 CVE-2018-12804 CVE-2018-4994

Reference:         ESB-2018.1506
                   ESB-2018.1421

Original Bulletin: 
   https://helpx.adobe.com/security/products/connect/apsb18-22.html

- --------------------------BEGIN INCLUDED TEXT--------------------

Security updates available for Adobe Connect | APSB18-22
+-----------------------------------------------------------------------------+
|Bulletin ID              |Date Published                  |Priority          |
|-------------------------+--------------------------------+------------------|
|APSB18-22                |July 10, 2018                   |2                 |
+-----------------------------------------------------------------------------+

Summary

Adobe has released a security update for Adobe Connect.  This update resolves an
important authentication bypass vulnerability (CVE-2018-4994), which could
result in sensitive information disclosure if successfully exploited.  This
update also resolves an important session management vulnerability due to
inadequate validation of Connect meeting session tokens.  Finally, the Connect
add-in installer prior to 9.7 insecurely loads DLL files, which could be abused
to escalate local privileges. 

Affected product versions

+-----------------------------------------------------------------------------+
|                Product                |      Version       |    Platform    |
|---------------------------------------+--------------------+----------------|
|Adobe Connect                          |9.7.5 and earlier   |All             |
+-----------------------------------------------------------------------------+

Solution

Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the newest version:

+-----------------------------------------------------------------------------+
|Product            |Version   |Platform   |Priority   |Availability          |
|-------------------+----------+-----------+-----------+----------------------|
|Adobe Connect      |9.8.1     |All        |2          |Release note          |
+-----------------------------------------------------------------------------+

Note: As previously mentioned in APSB18-18, a mitigation for CVE-2018-4994 is
available to customers by modifying Tomcat filters to prevent remote access to
system configuration files.  Please refer to this help document for
details. Version 9.8.1 includes this configuration
change in default configurations. 

Vulnerability details

+-----------------------------------------------------------------------------+
|Vulnerability Category|Vulnerability Impact         |Severity |CVE Number    |
|----------------------+-----------------------------+---------+--------------|
|Authentication Bypass |Sensitive Information        |Important|CVE-2018-4994 |
|                      |Disclosure                   |         |              |
|----------------------+-----------------------------+---------+--------------|
|Authentication Bypass |Session hijacking            |Important|CVE-2018-12804|
|----------------------+-----------------------------+---------+--------------|
|Insecure Library      |Privilege Escalation         |Moderate |CVE-2018-12805|
|Loading               |                             |         |              |
+-----------------------------------------------------------------------------+

Note: CVE-2018-12805 was resolved in the Connect add-in
installer version 9.7.  

Acknowledgments

Adobe would like to thank the following individuals and organizations for
reporting the relevant issues and for working with Adobe to help protect our
customers:

  * Tanner LLC (CVE-2018-4994) 

  * BlackWingCat (CVE-2018-12805)

- --------------------------END INCLUDED TEXT--------------------

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