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A  U  S  C  E  R  T                                           A  L  E  R  T

                       AL-2006.0118 -- AUSCERT ALERT
                                [Win][OSX]
      Remotely exploitable buffer overflow in Adobe Download Manager
                              8 December 2006

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

        AusCERT Alert Summary
        ---------------------

Product:              Adobe Download Manager
Publisher:            Adobe
Operating System:     Windows
                      Mac OS X
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-5856

Original Bulletin:    
  http://www.adobe.com/support/security/bulletins/apsb06-19.html

Comment: Adobe Download Manager is bundled with the install of multiple
         Adobe products such as Adobe Reader. It may remain installed
         on computers which have previously downloaded and installed these
         products.
         
         This vulnerability may potentially be exploited when a user
         visits a malicious web page, without further user interaction.
         http://research.eeye.com/html/advisories/published/AD20061205.html

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Security bulletin
Update available for buffer overflow in Adobe Download Manager

Release date: December 5, 2006

Vulnerability identifier: APSB06-19

CVE number: CVE-2006-5856

Platform: Windows and Macintosh

Summary:
A critical vulnerability has been identified in Adobe Download Manager 2.1
and earlier versions that could allow an attacker who successfully exploits
this vulnerability to take control of the affected system. It is recommended
that users uninstall Adobe Download Manager 2.1 and earlier using the
instructions provided below.

Affected software versions:
Adobe Download Manager 2.1 and earlier

Solution:
It is recommended that users uninstall Adobe Download Manager 2.1 and earlier
using the instructions provided below.

Severity rating:
Adobe categorizes this as a critical issue and recommends affected users
uninstall any affected software.

Details:
A critical vulnerability has been identified in Adobe Download Manager 2.1
and earlier versions that could allow an attacker who successfully exploits
this vulnerability to take control of the affected system. This issue is
remotely exploitable. A malicious file must be loaded by the end user, via a
web browser or e-mail client for instance, for an attacker to exploit this
vulnerability. It is recommended that users uninstall Adobe Download Manager
2.1 and earlier using the instructions provided below.

Adobe Download Manager is a stand-alone application that improves the process
of downloading files from Adobe. Customers who have downloaded software from
Adobe, including Adobe Reader, may have Adobe Download Manager installed.

As of December 5, 2006, software distributed from www.adobe.com is using Adobe
Download Manager 2.2, which is not affected by this issue.

To verify if a vulnerable version of Adobe Download Manager is installed, and
to uninstall Adobe Download Manager if necessary, please follow the directions
below:

Windows:

   1. Browse to the following location:
      <volume>:\Program Files\Common Files\Adobe\ESD\
   2. Locate the file named AdobeDownloadManager.exe. If the directory or
      file do not exist, no further action is required.
   3. Right-click on the AdobeDownloadManager.exe file and select Properties.
   4. Click on the Version tab of the Properties dialog box.
   5. If the version is 2.1.x or lower, uninstall using the uninstaller provided here.

Macintosh:

   1. Browse to the following location (be sure to check all active volumes):
      <volume>:\Applications\Utilities\
   2. Locate the file named Adobe Download Manager or Adobe Reader Download
      Manager. If the file does not exist, no further action is required.
   3. Click on the file and select File>Get Info, or Control-click and select
      Get Info.
   4. If the version is 2.1.x or lower, uninstall using the uninstaller
      provided here. Users of Macintosh Classic OS can use the uninstaller
      provided here.

Acknowledgments:
Adobe would like to thank Zero Day Initiative, founded by TippingPoint, a
division of 3Com, and eEye Digital Security for reporting this vulnerability
and for working with us to help protect our customers' security.

Adobe disclaimer:
License agreement
By using software of Adobe Systems Incorporated or its subsidiaries ("Adobe");
you agree to the following terms and conditions. If you do not agree with
such terms and conditions; do not use the software. The terms of an end user
license agreement accompanying a particular software file upon installation
or download of the software shall supersede the terms presented below.

The export and re-export of Adobe software products are controlled by the
United States Export Administration Regulations and such software may not be
exported or re-exported to Cuba; Iran; Iraq; Libya; North Korea; Sudan; or
Syria or any country to which the United States embargoes goods. In addition;
Adobe software may not be distributed to persons on the Table of Denial Orders;
the Entity List; or the List of Specially Designated Nationals.

By downloading or using an Adobe software product you are certifying that you
are not a national of Cuba; Iran; Iraq; Libya; North Korea; Sudan; or Syria
or any country to which the United States embargoes goods and that you are
not a person on the Table of Denial Orders; the Entity List; or the List of
Specially Designated Nationals.

If the software is designed for use with an application software product (the
"Host Application") published by Adobe; Adobe grants you a non-exclusive
license to use such software with the Host Application only; provided you
possess a valid license from Adobe for the Host Application. Except as set
forth below; such software is licensed to you subject to the terms and
conditions of the End User License Agreement from Adobe governing your use
of the Host Application.

DISCLAIMER OF WARRANTIES: YOU AGREE THAT ADOBE HAS MADE NO EXPRESS WARRANTIES
TO YOU REGARDING THE SOFTWARE AND THAT THE SOFTWARE IS BEING PROVIDED TO YOU
"AS IS" WITHOUT WARRANTY OF ANY KIND. ADOBE DISCLAIMS ALL WARRANTIES WITH
REGARD TO THE SOFTWARE; EXPRESS OR IMPLIED; INCLUDING; WITHOUT LIMITATION;
ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE; MERCHANTABILITY;
MERCHANTABLE QUALITY OR NONINFRINGEMENT OF THIRD PARTY RIGHTS. Some states
or jurisdictions do not allow the exclusion of implied warranties; so the
above limitations may not apply to you.

LIMIT OF LIABILITY: IN NO EVENT WILL ADOBE BE LIABLE TO YOU FOR ANY LOSS OF
USE; INTERRUPTION OF BUSINESS; OR ANY DIRECT; INDIRECT; SPECIAL; INCIDENTAL;
OR CONSEQUENTIAL DAMAGES OF ANY KIND (INCLUDING LOST PROFITS) REGARDLESS OF
THE FORM OF ACTION WHETHER IN CONTRACT; TORT (INCLUDING NEGLIGENCE); STRICT
PRODUCT LIABILITY OR OTHERWISE; EVEN IF ADOBE HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. Some states or jurisdictions do not allow the
exclusion or limitation of incidental or consequential damages; so the above
limitation or exclusion may not apply to you.

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===========================================================================
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The University of Queensland
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