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Microsoft Security Bulletin MS13-042 - Important

Vulnerabilities in Microsoft Publisher Could Allow Remote Code Execution (2830397)

Published: May 14, 2013

Version: 1.0

General Information

Executive Summary

This security update resolves eleven privately reported vulnerabilities in Microsoft Office. The vulnerabilities could allow remote code execution if a user open a specially crafted Publisher file with an affected version of Microsoft Publisher. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

This security update is rated Important for supported editions of Microsoft Publisher 2003, Microsoft Publisher 2007, and Microsoft Publisher 2010. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerabilities by correcting how Microsoft Publisher parses specially crafted Publisher files. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

Recommendation. Customers can configure automatic updating to check online for updates from Microsoft Update by using the Microsoft Update service. Customers who have automatic updating enabled and configured to check online for updates from Microsoft Update typically will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates from Microsoft Update and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update at the earliest opportunity using update management software, or by checking for updates using the Microsoft Update service.

See also the section, Detection and Deployment Tools and Guidance, later in this bulletin.

Knowledge Base Article

Knowledge Base Article2830397
File informationYes
SHA1/SHA2 hashesYes
Known issuesYes

Affected and Non-Affected Software

The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, see Microsoft Support Lifecycle.

Affected Software

Microsoft Office

Microsoft Office Suite and Other SoftwareComponentMaximum Security ImpactAggregate Severity RatingUpdates Replaced
Microsoft Office Suites and Components
Microsoft Office 2003 Service Pack 3Microsoft Publisher 2003 Service Pack 3
(2810047)
Remote Code ExecutionImportant2553084 in MS11-091
Microsoft Office 2007 Service Pack 3Microsoft Publisher 2007 Service Pack 3
(2597971)
Remote Code ExecutionImportant2596705 in MS11-091
Microsoft Office 2010 Service Pack 1 (32-bit editions)Microsoft Publisher 2010 Service Pack 1 (32-bit editions)
(2553147)
Remote Code ExecutionImportantNone
Microsoft Office 2010 Service Pack 1 (64-bit editions)Microsoft Publisher 2010 Service Pack 1 (64-bit editions)
(2553147)
Remote Code ExecutionImportantNone

Non-Affected Software 

Office and Other Software
Microsoft Publisher 2013 (32-bit editions)
Microsoft Publisher 2013 (64-bit editions)

Why does this update address several reported security vulnerabilities? 
This update contains support for several vulnerabilities because the modifications that are required to address these issues are located in related files.

How are Microsoft Office standalone programs affected by the vulnerabilities? 
A Microsoft Office standalone program is affected with the same severity rating as the corresponding component in a Microsoft Office Suite. For example, a standalone installation of Microsoft Publisher is affected with the same severity rating as an installation of Microsoft Publisher that was delivered with a Microsoft Office Suite.

The Microsoft Office component discussed in this article is part of the Microsoft Office Suite that I have installed on my system; however, I did not choose to install this specific component. Will I be offered this update? 
Yes, if the component discussed in this bulletin was delivered with the version of the Microsoft Office Suite installed on your system, the system will be offered updates for it whether the component is installed or not. The detection logic used to scan for affected systems is designed to check for updates for all components that were delivered with the particular Microsoft Office Suite and to offer the updates to a system. Users who choose not to apply an update for a component that is not installed, but is delivered with their version of the Microsoft Office Suite, will not increase the security risk of that system. On the other hand, users who do choose to install the update will not have a negative impact on the security or performance of a system.

Does the offer to update a non-vulnerable version of Microsoft Office constitute an issue in the Microsoft update mechanism? 
No. The update mechanism is functioning correctly in that it detects a product version for the applicable software on the system that is within the range of product versions that the update applies to and thus, offers the update.

I am using an older release of the software discussed in this security bulletin. What should I do? 
The affected software listed in this bulletin have been tested to determine which releases are affected. Other releases are past their support life cycle. For more information about the product lifecycle, see the Microsoft Support Lifecycle website.

It should be a priority for customers who have older releases of the software to migrate to supported releases to prevent potential exposure to vulnerabilities. To determine the support lifecycle for your software release, see Select a Product for Lifecycle Information. For more information about service packs for these software releases, see Service Pack Lifecycle Support Policy.

Customers who require custom support for older software must contact their Microsoft account team representative, their Technical Account Manager, or the appropriate Microsoft partner representative for custom support options. Customers without an Alliance, Premier, or Authorized Contract can contact their local Microsoft sales office. For contact information, see the Microsoft Worldwide Information website, select the country in the Contact Information list, and then click Go to see a list of telephone numbers. When you call, ask to speak with the local Premier Support sales manager. For more information, see the Microsoft Support Lifecycle Policy FAQ.

Vulnerability Information

The following severity ratings assume the potential maximum impact of the vulnerability. For information regarding the likelihood, within 30 days of this security bulletin's release, of the exploitability of the vulnerability in relation to its severity rating and security impact, please see the Exploitability Index in the May bulletin summary. For more information, see Microsoft Exploitability Index.

Table: Part 1 (continued below in Part 2)

Vulnerability Severity Rating and Maximum Security Impact by Affected Software
Affected SoftwarePublisher Negative Value Allocation Vulnerability - CVE-2013-1316Publisher Integer Overflow Vulnerability - CVE-2013-1317Publisher Corrupt Interface Pointer Vulnerability - CVE-2013-1318Publisher Return Value Handling Vulnerability - CVE-2013-1319Publisher Buffer Overflow Vulnerability - CVE-2013-1320Publisher Return Value Validation Vulnerability - CVE-2013-1321
Microsoft Publisher 2003 Service Pack 3Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Microsoft Publisher 2007 Service Pack 3Not applicableNot applicableNot applicableNot applicableNot applicableNot applicable
Microsoft Publisher 2010 Service Pack 1 (32-bit editions)Not applicableNot applicableNot applicableNot applicableNot applicableNot applicable
Microsoft Publisher 2010 Service Pack 1 (64-bit editions)Not applicableNot applicableNot applicableNot applicableNot applicableNot applicable

 

Table: Part 2 (continued from Part 1)

Vulnerability Severity Rating and Maximum Security Impact by Affected Software
Affected SoftwarePublisher Invalid Range Check Vulnerability - CVE-2013-1322Publisher Incorrect NULL Value Handling Vulnerability - CVE-2013-1323Publisher Signed Integer Vulnerability - CVE-2013-1327Publisher Pointer Handling Vulnerability - CVE-2013-1328Publisher Buffer Underflow Vulnerability - CVE-2013-1329Aggregate Severity Rating
Microsoft Publisher 2003 Service Pack 3Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Important 
Remote Code Execution
Important
Microsoft Publisher 2007 Service Pack 3Not applicableNot applicableNot applicableImportant 
Remote Code Execution
Not applicableImportant
Microsoft Publisher 2010 Service Pack 1 (32-bit editions)Not applicableNot applicableNot applicableImportant 
Remote Code Execution
Not applicableImportant
Microsoft Publisher 2010 Service Pack 1 (64-bit editions)Not applicableNot applicableNot applicableImportant 
Remote Code Execution
Not applicableImportant

Multiple remote code execution vulnerabilities exists in the way that Microsoft Publisher parses Publisher files. An attacker who successfully exploited any of these vulnerabilities could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

To view these vulnerabilities as standard entries in the Common Vulnerabilities and Exposures list, click the links in the following table:

Vulnerability titleCVE number
Publisher Negative Value Allocation VulnerabilityCVE-2013-1316
Publisher Integer Overflow VulnerabilityCVE-2013-1317
Publisher Corrupt Interface Pointer VulnerabilityCVE-2013-1318
Publisher Return Value Handling VulnerabilityCVE-2013-1319
Publisher Buffer Overflow VulnerabilityCVE-2013-1320
Publisher Return Value Validation VulnerabilityCVE-2013-1321
Publisher Invalid Range Check VulnerabilityCVE-2013-1322
Publisher Incorrect NULL Value Handling VulnerabilityCVE-2013-1323
Publisher Signed Integer VulnerabilityCVE-2013-1327
Publisher Pointer Handling VulnerabilityCVE-2013-1328
Publisher Buffer Underflow VulnerabilityCVE-2013-1329

 

Mitigating Factors

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:

  • An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
  • These vulnerabilities cannot be exploited automatically through e-mail. For an attack to be successful a user must open an attachment that is sent in an e-mail message.
  • In a web-based attack scenario, an attacker could host a website that contains a webpage that is used to exploit these vulnerabilities. In addition, compromised websites and websites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit these vulnerabilities. In all cases, however, an attacker would have no way to force users to visit these websites. Instead, an attacker would have to convince users to visit the website, typically by getting them to click a link in an email message or Instant Messenger message that takes users to the attacker's website, and then convince them to open a specially crafted Publisher file.

Workarounds

Workaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:

  • Do not open Publisher files that you receive from untrusted sources or that you receive unexpectedly from trusted sources. These vulnerabilities could be exploited when a user opens a specially crafted file.

FAQ

What is the scope of the vulnerabilities? 
These are remote code execution vulnerabilities.

What causes the vulnerabilities? 
Although the vulnerabilities are closely related, their root causes differ as detailed in the table below:

CVE numberVulnerability titleThe vulnerability exists when Publisher…
CVE-2013-1316Publisher Negative Value Allocation Vulnerability…improperly validates an array size while parsing specially crafted Publisher files.
CVE-2013-1317Publisher Integer Overflow Vulnerability…attempts to determine the size for an allocation, causing an integer overflow condition.
CVE-2013-1318Publisher Corrupt Interface Pointer Vulnerability…incorrectly uses a corrupted pointer while parsing specially crafted Publisher files.
CVE-2013-1319Publisher Return Value Handling Vulnerability…ignores a returned method value while parsing specially crafted Publisher files.
CVE-2013-1320Publisher Buffer Overflow Vulnerability…reads the incorrect number of bytes into an array while parsing specially crafted Publisher files.
CVE-2013-1321Publisher Return Value Validation Vulnerability…fails to properly validate a returned value type while parsing specially crafted Publisher files.
CVE-2013-1322Publisher Invalid Range Check Vulnerability…validates table range data while parsing specially crafted Publisher files.
CVE-2013-1323Publisher Incorrect NULL Value Handling Vulnerability…improperly handles NULL values while parsing specially crafted Publisher files.
CVE-2013-1327Publisher Signed Integer Vulnerability…fails to expect a signed value when allocating memory while parsing specially crafted Publisher files.
CVE-2013-1328Publisher Pointer Handling Vulnerability…is unable to properly validate a pointer while handling specially crafted Publisher files.
CVE-2013-1329Publisher Buffer Underflow Vulnerability…allows a negative number to be passed into a byte array insertion while parsing specially crafted Publisher files.

What might an attacker use the vulnerabilities to do? 
An attacker who successfully exploited these vulnerabilities could run arbitrary code as the current user. If the current user is logged on with administrative user rights, an attacker could take complete control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

How could an attacker exploit the vulnerabilities? 
These vulnerabilities require that a user open a specially crafted Publisher file with an affected version of Microsoft Publisher.

In an email attack scenario, an attacker could exploit the vulnerabilities by sending a specially crafted Publisher file to the user and then convincing the user to open the file.

In a web-based attack scenario, an attacker would have to host a website that contains a Publisher file that is used to attempt to exploit these vulnerabilities. In addition, compromised websites and websites that accept or host user-provided content could contain specially crafted content that could exploit these vulnerabilities. An attacker would have no way to force users to visit a specially crafted website. Instead, an attacker would have to convince them to visit the website, typically by getting them to click a link in an email message or Instant Messenger message that takes them to the attacker's site, and then convince them to open the specially crafted Publisher file.

What systems are primarily at risk from the vulnerabilities? 
Systems where Microsoft Publisher is used, including workstations and terminal servers, are primarily at risk. Servers could be at more risk if administrators allow users to log on to servers and to run programs. However, best practices strongly discourage allowing this.

What does the update do? 
This update addresses the vulnerabilities by correcting how Microsoft Publisher parses specially crafted Publisher files.

When this security bulletin was issued, had these vulnerabilities been publicly disclosed? 
No. Microsoft received information about these vulnerabilities through coordinated vulnerability disclosure.

When this security bulletin was issued, had Microsoft received any reports that these vulnerabilities were being exploited? 
No. Microsoft had not received any information to indicate that these vulnerabilities had been publicly used to attack customers when this security bulletin was originally issued.

Update Information

Several resources are available to help administrators deploy security updates. 

  • Microsoft Baseline Security Analyzer (MBSA) lets administrators scan local and remote systems for missing security updates and common security misconfigurations. 
  • Windows Server Update Services (WSUS), Systems Management Server (SMS), and System Center Configuration Manager (SCCM) help administrators distribute security updates. 
  • The Update Compatibility Evaluator components included with Application Compatibility Toolkit aid in streamlining the testing and validation of Windows updates against installed applications. 

For more information about these tools and guidance in deploying security updates across networks, see Security Tools for IT Pros

Affected Software

For information about the specific security update for your affected software, click the appropriate link:

Microsoft Publisher 2003 (all editions)

Reference Table

The following table contains the security update information for this software.

Security update file nameFor Microsoft Publisher 2003:
office2003-kb2810047-fullfile-enu.exe
Installation switchesSee Microsoft Knowledge Base Article 912203
Restart requirementIn some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base Article 887012.
Removal informationUse Add or Remove Programs item in Control Panel.

Note When you remove this update, you may be prompted to insert the Microsoft Office 2003 CD in the CD drive. Additionally, you may not have the option to uninstall the update from the Add or Remove Programs item in Control Panel. There are several possible causes for this issue. For more information about the removal, see Microsoft Knowledge Base Article 903771.
File informationSee Microsoft Knowledge Base Article 2810047
Registry key verificationNot applicable

Microsoft Publisher 2007 (all editions)

Reference Table

The following table contains the security update information for this software.

Security update file nameFor Microsoft Publisher 2007:
publisher2007-kb2597971-fullfile-x86-glb.exe
Installation switchesSee Microsoft Knowledge Base Article 912203
Restart requirementIn some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base Article 887012.
Removal informationUse Add or Remove Programs item in Control Panel.
File informationSee Microsoft Knowledge Base Article 2597971
Registry key verificationNot applicable

Microsoft Publisher 2010 (all editions)

Reference Table

The following table contains the security update information for this software.

Security update file nameFor Microsoft Publisher 2010 (32-bit editions):
publisher2010-kb2553147-fullfile-x86-glb.exe
For Microsoft Publisher 2010 (64-bit editions):
publisher2010-kb2553147-fullfile-x64-glb.exe
Installation switchesSee Microsoft Knowledge Base Article 912203
Restart requirementIn some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base Article 887012.
Removal informationUse Add or Remove Programs item in Control Panel.
File informationSee Microsoft Knowledge Base Article 2553147
Registry key verificationNot applicable

Other Information

Acknowledgments

Microsoft thanks the following for working with us to help protect customers:

  • Will Dormann of the CERT/CC for working with us on multiple Microsoft Publisher Remote Code Execution Vulnerabilities (CVE-2013-1316, CVE-2013-1317, CVE-2013-1318, CVE-2013-1319, CVE-2013-1320, CVE-2013-1321, CVE-2013-1322, CVE-2013-1323, CVE-2013-1327, CVE-2013-1328, and CVE-2013-1329)

Microsoft Active Protections Program (MAPP)

To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please go to the active protections websites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.

Support

How to obtain help and support for this security update

Disclaimer

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

Revisions

  • V1.0 (May 14, 2013): Bulletin published.

Built at 2014-04-02T23:59:26Z-07:00

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