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



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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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