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Fortinet Advisory: Fortinet Discovers Microsoft Office Project Vulnerability



Fortinet Discovers Microsoft Office Project Vulnerability (MS09-074)
2009.December.08

Summary:

Fortinet's FortiGuard Labs Discovers Memory Corruption Vulnerability in Microsoft Office Project.

Impact:

Remote Code Execution. 

Risk:

Critical. 

Affected Software:

For a list of operating system and product versions affected, please see the Microsoft Bulletin reference below. 

Additional Information:

The vulnerability lies in "winproj.exe", which is used when processing a Project file. A maliciously crafted document may contain a list structure with a malformed element field, that when processed, will result in memory corruption and allow a remote attacker to arbitrarily execute code on the victims machine. 

Solutions:
?	Use the solution provided by Microsoft (MS09-074).
?	FortiGuard Labs released a signature "MS.Project.Props.List.Memory.Corruption", which covers this specific vulnerability.
FortiGuard Labs continues to monitor attacks against this vulnerability. 

Fortinet customers who subscribe to Fortinet?s intrusion prevention (IPS) service should be protected against this memory corruption vulnerability. Fortinet?s IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle. 

References: 
?	Microsoft Bulletin: http://www.microsoft.com/technet/security/bulletin/ms09-074.mspx
?	CVE ID: CVE-2009-0102

Acknowlegement: 
?	Bing Liu of Fortinet's FortiGuard Labs