MS14-008: Vulnerability in Microsoft Forefront Protection for Exchange Could Allow Remote Code Execution (2927022)

This security update resolves a privately reported vulnerability in Microsoft Forefront. The vulnerability could allow remote code execution if a specially crafted email message is scanned.

Microsoft Security Bulletin MS14-008 - Critical
Vulnerability in Microsoft Forefront Protection for Exchange Could Allow Remote Code Execution (2927022)
Published: Tuesday, February 11, 2014

Version: 1.0

General Information
Executive Summary
This security update resolves a privately reported vulnerability in Microsoft Forefront. The vulnerability could allow remote code execution if a specially crafted email message is scanned.

This security update is rated Critical for all supported builds of Microsoft Forefront Protection for Exchange 2010. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerability by removing the vulnerable code from Microsoft Forefront Protection for Exchange Server. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

Recommendation. Microsoft recommends that customers apply the update immediately.

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

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Knowledge Base Article
Knowledge Base Article    2927022
File information    Yes
SHA1/SHA2 hashes    Yes
Known issues    Yes
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Affected and Non-Affected Software
The following software has 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

Software    Maximum Security Impact    Aggregate Severity Rating    Updates Replaced
Microsoft Forefront Protection 2010 for Exchange Server[1][2]
(2927022)    Remote Code Execution    Critical    None
[1]This update is available from the Microsoft Download Center only. For more information, see the Update FAQ.

[2]The update only applies to systems running Microsoft Forefront Protection 2010 for Exchange Server version 11.0.727.0. For more information, see the Update FAQ.



Non-Affected Software

Software
Exchange Online Protection
Microsoft Forefront Server Security Management Console
Microsoft Forefront Protection 2010 for SharePoint
Microsoft Forefront Security for Exchange Server Service Pack 2
Microsoft Forefront Security for Office Communications Server
Microsoft Forefront Threat Management Gateway 2010
Microsoft Forefront Client Security
Microsoft Forefront Endpoint Protection 2010
Microsoft Forefront Security for SharePoint Service Pack 3
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Update FAQ
Vulnerability Information
Severity Ratings and Vulnerability Identifiers
RCE Vulnerability - CVE-2014-0294
A remote code execution vulnerability exists in Forefront Protection for Exchange. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the configured service account.

To view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2014-0294.

Mitigating Factors
Microsoft has not identified any mitigating factors for this vulnerability.

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Workarounds
FAQ
What is the scope of the vulnerability?
This is a remote code execution vulnerability.

What causes the vulnerability?
When mail content is not properly parsed, conditions exist where an attacker could run arbitrary code in the security context of the configured service account when a specially crafted email message is scanned.

What might an attacker use the vulnerability to do?
An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the configured service account on the target system running Forefront Protection 2010 for Exchange Server.

How could an attacker exploit the vulnerability?
An unauthenticated attacker could attempt to exploit this vulnerability by sending a specially crafted email message to an Exchange server that is monitored by affected versions of Forefront Protection 2010 for Exchange.

What systems are primarily at risk from the vulnerability?
Systems that are running an affected version of Forefront Protection 2010 for Exchange server are primarily at risk.

What does the update do?
The security update addresses the vulnerability by removing the vulnerable code from Forefront Protection 2010 for Exchange Server.

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

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

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Update Information
Detection and Deployment Tools and Guidance
Security Update Deployment
Other Information
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.

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Support
How to obtain help and support for this security update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support
Help protect your computer that is running Windows from viruses and malware: Virus Solution and Security Center
Local support according to your country: International Support
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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.

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Revisions
V1.0 (February 11, 2014): Bulletin published.
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