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AUSCERT External Security Bulletin Redistribution
ESB-2014.0317
Vulnerability in Silverlight Could Allow Security Feature Bypass (2932677)
12 March 2014
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AusCERT Security Bulletin Summary
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Product: Microsoft Silverlight
Publisher: Microsoft
Operating System: Windows
OS X
Impact/Access: Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2014-0319
Original Bulletin:
http://technet.microsoft.com/en-us/security/bulletin/ms14-014
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Microsoft Security Bulletin MS14-014 - Important
Vulnerability in Silverlight Could Allow Security Feature Bypass (2932677)
Published Date: March 11, 2014
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability in Microsoft
Silverlight. The vulnerability could allow security feature bypass if an
attacker hosts a website that contains specially crafted Silverlight content
that is designed to exploit the vulnerability, and then convinces a user to
view the website. In all cases, however, an attacker would have no way to
force users to visit a website. Instead, an attacker would have to convince
users to visit a website, typically by getting them to click a link in an
email message or in an Instant Messenger message that takes them to the
attacker's website. It could also be possible to display specially crafted web
content by using banner advertisements or by using other methods to deliver
web content to affected systems.
This security update is rated Important for Microsoft Silverlight 5 and
Microsoft Silverlight 5 Developer Runtime when installed on Mac and all
supported releases of Microsoft Windows.
Affected Software
Microsoft Silverlight 5
Vulnerability Information
Silverlight DEP/ASLR Bypass Vulnerability - CVE-2014-0319
A security feature bypass vulnerability exists in Silverlight due to improper
implementation of Data Execution Protection (DEP) and Address Space Layout
Randomization (ASLR). The vulnerability could allow an attacker to bypass the
DEP/ASLR security feature, most likely during or in the course of exploiting a
remote code execution vulnerability.
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Australian Computer Emergency Response Team
The University of Queensland
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Internet Email: auscert@auscert.org.au
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