VUPEN Security Research - Microsoft Windows OLE Automation Code Execution Vulnerability

VUPEN Security Research - Microsoft Windows OLE Automation Remote Code
Execution Vulnerability

Website : http://www.vupen.com

Twitter : http://twitter.com/vupen

I. BACKGROUND

Microsoft Windows is a series of software operating systems and graphical
user interfaces produced by Microsoft. Windows had approximately 90% of
the market share of the client operating systems. (Wikipedia)

II. DESCRIPTION

VUPEN Vulnerability Research Team discovered a critical vulnerability
in Microsoft Windows.

The vulnerability is caused by an integer overflow error in the
"SysAllocStringLen()" function within the "Oleaut32.dll" (Object Linking
and Embedding Automation) library, which could allow remote attackers
to execute arbitrary code via a specially crafted web page or Office
document.

CVSS Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

III. AFFECTED PRODUCTS

Microsoft Windows XP Service Pack 3

IV. Binary Analysis & Exploits/PoCs

In-depth technical analysis of the vulnerability and a fully functional
remote code execution exploit are available through the VUPEN BAE
(Binary Analysis & Exploits) portal:

http://www.vupen.com/english/services/ba-index.php

VUPEN Binary Analysis & Exploits Service provides private exploits and
in-depth technical analysis of the most significant public vulnerabilities
based on disassembly, reverse engineering, protocol analysis, and code
audit.

The service allows governments and major corporations to evaluate risks, and
protect infrastructures and assets against new threats. The service also
allows security vendors (IPS, IDS, AntiVirus) to supplement their internal
research efforts and quickly develop both vulnerability-based and
exploit-based signatures to proactively protect their customers from attacks
and emerging threats.

V. VUPEN Threat Protection Program

Governments and major corporations which are members of the VUPEN Threat
Protection Program (TPP) have been proactively alerted about the
vulnerability
when it was discovered by VUPEN in advance of its public disclosure, and
have received a detailed attack detection guidance to protect national and
critical infrastructures against potential 0-day attacks exploiting this
vulnerability:

http://www.vupen.com/english/services/tpp-index.php

VI. SOLUTION

Apply MS13-020 security updates.

VII. CREDIT

This vulnerability was discovered by Nicolas Joly of VUPEN Security

VIII. ABOUT VUPEN Security

VUPEN is the leading provider of defensive and offensive cybersecurity
intelligence and advanced vulnerability research. VUPEN solutions enable
corporations and governments to manage risks, and protect critical networks
and infrastructures against known and unknown vulnerabilities.

VUPEN has been recognized as "Company of the Year 2011 in the Vulnerability
Research Market" by Frost & Sullivan.

VUPEN solutions include:

• VUPEN Binary Analysis & Exploits Service (BAE) :
  http://www.vupen.com/english/services/ba-index.php

• VUPEN Threat Protection Program (TPP) :
  http://www.vupen.com/english/services/tpp-index.php

IX. REFERENCES

http://technet.microsoft.com/en-us/security/bulletin/ms13-020
http://www.vupen.com/english/research.php

X. DISCLOSURE TIMELINE

2010-08-05 - Vulnerability Discovered by VUPEN and shared with customers
2013-02-12 - MS13-020 security bulletin released
2013-02-20 - Public disclosure