Fortinet Discovers Vulnerability in Indeo Codec
2009.December.08

Summary:

Fortinet's FortiGuard Labs Discovers Memory Corruption Vulnerability in
Indeo Codec.

Impact:

Remote Code Execution. 

Risk:

Critical. 

Affected Software:

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

Additional Information:

The Indeo codec on systems running Microsoft Windows 2000, Windows XP, and
Windows Server 2003 could allow code to run on users systems when opening
specially crafted content. There are multiple ways that the Indeo codec may
be used and may be required by certain applications. The Indeo codec may be
required when visiting legitimate Web sites, and in corporate environment
line-of-business applications. 

Solutions:

*  Use the solution provided by Microsoft (Microsoft
<http://www.microsoft.com/technet/security/advisory/954157.MSpx>  Security
Advisory 954157).
*  FortiGuard Labs released a signature
"MS.Windows.Indeo.Codec.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 Security Advisory:
http://www.microsoft.com/technet/security/advisory/954157.MSpx"
*  Microsoft Knowledge Base Article:
http://support.microsoft.com/kb/954157
*  CVE ID: CVE-2009-4210
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-4210> 


Acknowlegement: 

*  Bing Liu of Fortinet's FortiGuard Labs