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                    Secunia Research 15/04/2015              

  Microsoft Windows GDI "MRSETDIBITSTODEVICE ::bPlay()" EMF Parsing
                  Memory Corruption Vulnerability

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

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1) Affected Software


* Microsoft Windows 7
* Microsoft Windows Server 2003 Datacenter Edition
* Microsoft Windows Server 2003 Enterprise Edition
* Microsoft Windows Server 2003 Standard Edition
* Microsoft Windows Server 2003 Web Edition
* Microsoft Windows Storage Server 2003
* Microsoft Windows Server 2008
* Microsoft Windows Vista

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2) Severity 

Rating: Highly critical
Impact: System Access
Where:  From remote
 
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3) Description of Vulnerability

Secunia Research has discovered a vulnerability in Microsoft Windows,
which can be exploited by malicious people to compromise a user's
system.

The vulnerability is caused due to an error within the
"MRSETDIBITSTODEVICE::bPlay()" function (GDI32.dll) and can be
exploited to cause a memory corruption via an EMF file with a
specially crafted EMR_SETDIBITSTODEVICE record.

Successful exploitation allows execution of arbitrary code.

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4) Solution 

Apply update provided by MS15-035.

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5) Time Table

14/01/2015 - Vendor notified.
15/01/2015 - Vendor response.
15/01/2015 - Vendor requests delay of disclosure.
15/01/2015 - Replied to vendor requesting planned date of update.
16/02/2015 – Requested status update.
20/02/2015 - Vendor response with no timeline.
23/02/2015 - Replied to vendor requesting future status updates.
26/03/2015 - Requested status update and planned date of update.
08/04/2015 - Vendor response with expected release on 14/04/2015.
11/04/2015 - Replied to vendor.
14/04/2015 - Release of vendor patch and public disclosure.

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6) Credits 

Discovered by Hossein Lotfi, Secunia Research.

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7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
the CVE-2015-1645 identifier for the vulnerabilities.
 
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8) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/products/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/company/jobs/

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9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2015-1/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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