Secunia Research Advisory

Microsoft Windows EMF Processing Information Disclosure Vulnerability


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                    Secunia Research 2018/09/17
Microsoft Windows EMF Processing Information Disclosure 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 Flexera .......................................................8
Verification.........................................................9

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1) Affected Software

* Microsoft Windows 7

* Microsoft Windows Server 2008

* Microsoft Windows 8.1

* Microsoft Windows RT 8.1

* Microsoft Windows Server 2012

* Microsoft Windows 10

* Microsoft Windows Server 2016

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2) Severity

Rating: Moderately critical
Impact: Exposure of sensitive information
Where:  From remote

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3) Description of Vulnerability

Secunia Research has a vulnerability in Microsoft Windows, which can 
be exploited by malicious people to disclose potentially sensitive
information.

1) A boundary error within the "bEmit()" function (gdiplus.dll) can be
exploited to disclose certain information.

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4) Solution

Apply update.
https://portal.msrc.microsoft.com/en-us/security-guidanceCVE-2018-8433

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5) Time Table

2018-05-18 - Vendor notified about vulnerability.
2018-05-21 - Vendor supplied bug ticket ID.
2018-06-30 - Vendor status update.
2018-06-26 - Vendor supplies information on fix in main codeline.
2018-09-11 - Release of vendor patch.
2018-09-11 - Release of Secunia Advisories SA85126 and SA85125.
             Update of Secunia Advisory SA84939.
2018-09-17 - Public disclosure of the Secunia Research Advisory.

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6) Credits

Behzad Najjarpour Jabbari, Secunia Research at Flexera

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7) References

The Common Vulnerability and Exposures (CVE) project has assigned the
CVE-2018-8433 identifier for the vulnerability.

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8) About Flexera
 
Flexera  helps  application  producers  and  enterprises  increase
application usage and the value they derive from their software.

https://www.flexera.com

Flexera delivers market-leading Software Vulnerability Management
solutions  enabling  enterprises  to  proactively  identify  and
remediate software vulnerability, effectively reducing the risk of
costly security breaches.

Flexera  supports  and  contributes  to the  community in  several
ways.  We  have  always  believed  that  reliable  vulnerability
intelligence and tools to aid identifying and fixing vulnerability
should be freely available for consumers to ensure that users,
who care about their online privacy and security, can stay secure.
Only a few vendors address vulnerability in a proper way and help
users get updated and stay secure. End-users (whether private
individuals or businesses) are otherwise left largely alone, and
that is why back in 2002, Secunia Research started investigating,
coordinating disclosure and verifying software vulnerability.
In 2016, Secunia Research became a part of Flexera and today
our in-house software vulnerability research remains the core of
the Software Vulnerability Management products at Flexera.

The  public Secunia Advisory database  contains  information  for
researchers, security enthusiasts, and consumers to lookup individual
products and vulnerability and assess, whether they need to take
any actions to secure their systems or whether a given vulnerability
has already been discovered.

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9) Verification

Please verify this advisory by visiting the Secunia website:
https://www.flexera.com/about-us/secunia-research/advisories/sr-2018-18.html

Complete list of vulnerability reports published by Secunia Research:
https://www.flexera.com/about-us/secunia-research/advisories/

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