full-disclosure - Fortinet Advisory: Fortinet Discovers Multiple Microsoft Visio Vulnerabilities (MS10-028)

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Date: Tue, 13 Apr 2010 17:03:40 -0700
From: "liubing" <liubingf@...mail.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: Fortinet Advisory: Fortinet Discovers Multiple
	Microsoft Visio Vulnerabilities (MS10-028)

Fortinet Discovers Multiple Microsoft Visio Vulnerabilities (MS10-028)

2010.April.13

Summary:

Fortinet's FortiGuard Labs has discovered two memory corruption
vulnerabilities in Microsoft Office Visio, which allow a remote attacker to
compromise a system through a malicious document.

Impact:

Remote Code Execution.

Risk:

High.

Affected Software:

For a list of affected software, please refer to the Microsoft Security
Bulletin reference below.

Additional Information:

Two memory corruption vulnerabilities were discovered in Microsoft Office
Visio, each of which is highlighted below:

    * Memory corruption in "vislib.dll" (CVE-2010-0254)

    * Memory corruption in "vislib.dll" (CVE-2010-0256)

The vulnerabilities are triggered when opening and rendering a Visio file. A
remote attacker could craft a malicious document which exploits either one
of these vulnerabilities, allowing them to compromise a system.

Solutions:

    * Users should apply the solution provided by Microsoft.

FortiGuard Labs released the following signatures to protect against these
vulnerabilities

    * "MS.Visio.Attribute.Memory.Corruption", previously released as
"FG-VD-09-006-Microsoft" (CVE-2010-0254).

    * "MS.Visio.objectID.Memory.Corruption", previously released as
"FG-VD-09-005-Microsoft" (CVE-2010-0256).

References:

    * Microsoft Security Bulletin:
http://www.microsoft.com/technet/security/bulletin/ms10-028.mspx

    * CVE ID: CVE-2010-0254

    * CVE ID: CVE-2010-0256

Acknowledgment:

    * Bing Liu of Fortinet's FortiGuard Labs.

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