ESB-2018.1083 - Adobe Digital Editions: Multiple vulnerabilities 2018-04-11

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1083
  Multiple vulnerabilities have been identified in Adobe Digital Editions
                               11 April 2018

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

Product:           Adobe Digital Editions
Publisher:         Adobe
Operating System:  Windows
                   OS X
                   Apple iOS
                   Android
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Access Confidential Data        -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4926 CVE-2018-4925 

Original Bulletin: 
   https://helpx.adobe.com/security/products/Digital-Editions/apsb18-13.html

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

Adobe Security Bulletin

Applies to: Digital Editions

Last Published: April 11, 2018

Security Updates Available for Adobe Digital Editions | APSB18-13
+-------------------------+--------------------------------+------------------+
|Bulletin ID              |Date Published                  |Priority          |
+-------------------------+--------------------------------+------------------+
|APSB18-13                |April 10, 2018                  |3                 |
+-------------------------+--------------------------------+------------------+

Summary

Adobe has released a security update for Adobe Digital Editions. This update
resolves an out-of-bounds read vulnerability (CVE-2018-4925) rated Important,
and a stack overflow vulnerability (CVE-2018-4926) caused by unsafe processing
of specially crafted epub files.

Affected product versions

+------------------------------+--------------+-------------------------------+
|           Product            |   Version    |           Platform            |
+------------------------------+--------------+-------------------------------+
|Adobe Digital Editions        |4.5.7 and     |Windows, Macintosh, iOS and    |
|                              |below         |Android                        |
+------------------------------+--------------+-------------------------------+

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          |
+------------------------+--------+----------+---------+----------------------+
|                        |        |Windows   |3        |Download Page         |
|                        |        +----------+---------+----------------------+
|                        |        |Macintosh |3        |Download Page         |
|Adobe Digital Editions  |4.5.8   +----------+---------+----------------------+
|                        |        |iOS       |3        |iTunes                |
|                        |        +----------+---------+----------------------+
|                        |        |Android   |3        |Playstore             |
+------------------------+--------+----------+---------+----------------------+

Note:

  o Customers using Adobe Digital Editions 4.5.7 can download the update from
    the Adobe Digital Editions download page, or utilize the product's update
    mechanism when prompted.
  o For more information, please reference the release notes.

Vulnerability details

+-------------------------+-------------------------+----------+--------------+
|Vulnerability Category   |Vulnerability Impact     |Severity  |CVE Numbers   |
+-------------------------+-------------------------+----------+--------------+
|Out-of-bounds read       |Information Disclosure   |Important |CVE-2018-4925 |
+-------------------------+-------------------------+----------+--------------+
|Stack Overflow           |Information Disclosure   |Important |CVE-2018-4926 |
+-------------------------+-------------------------+----------+--------------+

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:

  o Steven (mr_me) Seeley of Source Incite (CVE-2018-4925)
  o Phil Blankenship of Cerberus Security (CVE-2018-4926)

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