ESB-2017.2893 - [Win][UNIX/Linux] Adobe Connect: Multiple vulnerabilities 2017-11-15

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2893
         Security updates available for Adobe Connect | APSB17-35
                             15 November 2017

===========================================================================

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

Product:           Adobe Connect
Publisher:         Adobe
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Cross-site Scripting           -- Remote with User Interaction
                   Provide Misleading Information -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-11291 CVE-2017-11290 CVE-2017-11289
                   CVE-2017-11288 CVE-2017-11287 

Original Bulletin: 
   https://helpx.adobe.com/security/products/connect/apsb17-35.html

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

Adobe Security Bulletin

Applies to: Connect
Security updates available for Adobe Connect | APSB17-35
+-----------------------+-----------------------------------+-----------------+
|Bulletin ID            |Date Published                     |Priority         |
+-----------------------+-----------------------------------+-----------------+
|APSB17-35              |November 14, 2017                  |3                |
+-----------------------+-----------------------------------+-----------------+

Summary

Adobe has released a security update for Adobe Connect. This update resolves a
critical Server-Side Request Forgery (SSRF) vulnerability (CVE-2017-11291) that
could be abused to bypass network access controls. This update also resolves
three input validation vulnerabilities rated Important (CVE-2017-11287,
CVE-2017-11288, CVE-2017-11289) that could be used in reflected cross-site
scripting attacks. Finally, this update includes a feature that enables Connect
administrators to protect users from UI redressing (or clickjacking) attacks
(CVE-2017-11290).

Affected product versions

+--------------------------------------+-------------------+------------------+
|               Product                |      Version      |     Platform     |
+--------------------------------------+-------------------+------------------+
|Adobe Connect                         |9.6.2 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      |9.7       |All        |3          |Release note          |
+-------------------+----------+-----------+-----------+----------------------+

Note:

Adobe Connect 9.7 rolls out in following phases:
Hosted services: Starting November 10, 2017; check the migration schedule for
your account here.
On-premise deployments: Starting November 17, 2017
Managed services: Contact your Adobe Connect managed services representative to
schedule your update.

Vulnerability details

+---------------------------+------------------------+---------+--------------+
|Vulnerability Category     |Vulnerability Impact    |Severity |CVE Number    |
+---------------------------+------------------------+---------+--------------+
|Server-Side Request Forgery|Network access control  |Critical |CVE-2017-11291|
|(SSRF)                     |bypass                  |         |              |
+---------------------------+------------------------+---------+--------------+
|Reflected Cross-site       |Information disclosure  |Important|CVE-2017-11287|
|Scripting                  |                        |         |              |
+---------------------------+------------------------+---------+--------------+
|Reflected Cross-site       |Information disclosure  |Important|CVE-2017-11288|
|Scripting                  |                        |         |              |
+---------------------------+------------------------+---------+--------------+
|Reflected Cross-site       |Information disclosure  |Important|CVE-2017-11289|
|Scripting                  |                        |         |              |
+---------------------------+------------------------+---------+--------------+
|UI Redress (or             |Information disclosure  |Important|CVE-2017-11290|
|Clickjacking)              |                        |         |              |
+---------------------------+------------------------+---------+--------------+

Acknowledgments

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

  o Adam Willard of Blue Canopy (CVE-2017-11289)
  o Alexis Laborier (CVE-2017-11287)
  o Pedro Cardoso (CVE-2017-11288)
  o Deniz CEVIK from Biznet Bilisim A.S (CVE-2017-11291)

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