Multiple Security Vulnerabilities in Adobe Reader for Solaris 10 May Allow Execution of Arbitrary Code or Cause Denial of Service (DoS) - Adobe Security Bulletin APSB09-15

04 november, 2009

Category :	Security
Release Phase :	Workaround
Bug Id :	6891381
Product :	Solaris 10 Operating System
Date of Workaround Release :	22-Oct-2009

1. Impact

Multiple security vulnerabilities in Adobe Reader versions 9.x before 9.1.4, 8.x before 8.1.7 and 7.x before 7.1.4 may allow remote unprivileged users to execute arbitrary code or crash the Adobe Reader application, thereby causing a Denial of Service (DoS) condition. These vulnerabilities may be exploited via specially crafted PDF files.

The following resources document these issues in more detail:

2. Contributing Factors

These issues can occur in the following release:

SPARC Platform

Solaris 10

Notes:

1. Solaris 8, Solaris 9, Solaris 10 on the x86 platform and OpenSolaris do not ship Adobe Reader and therefore are not affected by these issues.

2. All versions of Adobe Reader 9 prior to 9.2, Adobe Reader 8 prior to 8.1.7 and Adobe Reader 7 prior to 7.1.4 are affected by these issues.

To determine the version of Adobe Reader installed on the system, the following command can be run:

$ /usr/bin/acroread -version
7.0.1

Earlier versions of Adobe Reader on Solaris 10 only shipped acroread in /usr/sfw/bin which do not support the '-version' option, so for such instances, the following command can be used instead:

$ cat `pkgchk -l -P AcroVersion | awk '/Pathname/ { print $2 }'`
5.0.10

3. Symptoms

There are no predictable symptoms that would indicate these issues have been exploited to execute arbitrary code.

If the described issues have been exploited to cause a Denial of Service (DoS), the Adobe Reader application will crash, potentially leaving a core(4) file depending on the system configuration.

4. Workaround

To avoid the described issues, do not load PDF files from untrusted sources.

Until patches can be applied, the risk of some of these vulnerabilities can be mitigated by preventing PDF documents from being opened
automatically by the Web browser. In Firefox 2.0, this can be set by changing the default action for PDF documents with the following:

1. Open the Preferences dialog from the Edit menu
2. Select Contents tab.
3. Click on Manage button in File Types block.
4. Select PDF in the list and click Change Action.
5. Select 'Save them on my computer' option and click OK.

Note that this workaround will reduce the risk of exploitation but will not prevent the issues from being exploited.

5. Resolution

A final resolution is pending completion.

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

This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Sun.com Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements.

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Modification History

26-Oct-2009: Updated Impact for CVE Reference CVE-2009-2579

Multiple Security Vulnerabilities in Adobe Reader for Solaris 10 May Allow Execution of Arbitrary Code or Cause Denial of Service (DoS) - Adobe Security Bulletin APSB09-15

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