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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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

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 without patch 121104-11
  

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:


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

5. Resolution

SPARC Platform

• Solaris 10 with patch 121104-11 or later
  

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

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Modification History

26-Oct-2009: Updated Impact for CVE Reference CVE-2009-2579
30-Nov-2009: Updated Contributing Factors and Resolution sections; now Resolved

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