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AUSCERT External Security Bulletin Redistribution
ESB-2017.0658
MS17-007 - Critical: Cumulative Security Update for
Microsoft Edge (4013071)
15 March 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Edge
Publisher: Microsoft
Operating System: Windows 10
Windows Server 2016
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Unauthorised Access -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-0151 CVE-2017-0150 CVE-2017-0141
CVE-2017-0140 CVE-2017-0138 CVE-2017-0137
CVE-2017-0136 CVE-2017-0135 CVE-2017-0134
CVE-2017-0133 CVE-2017-0132 CVE-2017-0131
CVE-2017-0094 CVE-2017-0071 CVE-2017-0070
CVE-2017-0069 CVE-2017-0068 CVE-2017-0067
CVE-2017-0066 CVE-2017-0065 CVE-2017-0037
CVE-2017-0035 CVE-2017-0034 CVE-2017-0033
CVE-2017-0032 CVE-2017-0023 CVE-2017-0017
CVE-2017-0015 CVE-2017-0012 CVE-2017-0011
CVE-2017-0010 CVE-2017-0009
Original Bulletin:
https://technet.microsoft.com/en-us/library/security/MS17-007
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Microsoft Security Bulletin MS17-007: Security Update for Microsoft Edge
(4013071)
Bulletin Number: MS17-007
Bulletin Title: Security Update for Microsoft Edge
Severity: Critical
KB Article: 4013071
Version: 1.0
Published Date: 14/03/2017
Executive Summary
This security update resolves vulnerabilities in Microsoft Edge. The most
severe of the vulnerabilities could allow remote code execution if a user
views a specially crafted webpage using Microsoft Edge. An attacker who
successfully exploited these vulnerabilities could take control of an affected
system. An attacker could then install programs; view, change, or delete data;
or create new accounts with full user rights.
This security update is rated Critical for Microsoft Edge on Windows 10 and
Moderate on Windows Server 2016. For more information, see the Affected
Software section.
The update addresses the vulnerabilities by modifying how Microsoft Edge
handles objects in memory.
For more information about these vulnerabilities, see the Vulnerability
Information section. For more information about this update, see Microsoft
Knowledge Base Article 4013071.
Affected Software
Windows 10
Windows Server 2016
Windows 10 and Windows Server 2016 updates are cumulative. The monthly
security release includes all security fixes for vulnerabilities that affect
Windows 10, in addition to non-security updates. The updates are available via
the Microsoft Update Catalog. Please note that effective December 13, 2016,
Windows 10 and Windows Server 2016 details for the Cumulative Updates will be
documented in Release Notes. Please refer to the Release Notes for OS Build
numbers, Known Issues, and affected file list information.
Update FAQ
The PDF Library vulnerability discussed in this bulletin is also discussed in
the Windows PDF bulletin (MS17-009) being released in March. To be protected
from the vulnerability, do I need to install multiple updates for my
particular system and Microsoft Edge configuration?
No. Customers running Windows 10 systems only need to install the one
cumulative update for their system to be protected from CVE-2017-0023. The PDF
library vulnerability appears in the Microsoft Edge bulletin because on
Windows 10 systems the security fix for this vulnerability resides in the
Microsoft Edge component that is shipping in the cumulative update.
Severity Ratings and Vulnerability Identifiers
The following severity ratings assume the potential maximum impact of the
vulnerability. For information regarding the likelihood, within 30 days of
this security bulletin's release, of the exploitability of the vulnerability
in relation to its severity rating and security impact, please see the
Exploitability Index in the March bulletin summary.
Where specified in the Severity Ratings and Impact table, Critical, Important,
and Moderate values indicate severity ratings. For more information, see
Security Bulletin Severity Rating System. Refer to the following key for the
abbreviations used in the table to indicate maximum impact:
Abbreviation Maximum Impact
RCE Remote Code Execution
EoP Elevation of Privilege
ID Information Disclosure
SFB Security Feature Bypass
Vulnerability Severity Ratings and Impact
CVE number Vulnerability Title Microsoft Edge
CVE-2017-0009 Microsoft Browser Information Windows Clients:
Disclosure Vulnerability Important / ID
Windows Servers:
Low / ID
CVE-2017-0010 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0011 Microsoft Edge Information Windows Clients:
Disclosure Vulnerability Important / ID
Windows Servers:
Low / ID
CVE-2017-0012 Microsoft Browser Spoofing Windows Clients:
Vulnerability Important / Spoofing
Windows Servers:
Low / Spoofing
CVE-2017-0015 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0017 Microsoft Edge Information Windows Clients:
Disclosure Vulnerability Important / ID
Windows Servers:
Low / ID
CVE-2017-0023 Microsoft PDF Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0032 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0033 Microsoft Browser Spoofing Windows Clients:
Vulnerability Important / Spoofing
Windows Servers:
Low / Spoofing
CVE-2017-0034 Microsoft Edge Memory Windows Clients:
Corruption Vulnerability Critical / RCE
(Only Windows 10 version 1607 is affected)
Windows Servers:
Moderate / RCE
CVE-2017-0035 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0037 Microsoft Browser Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0065 Microsoft Browser Information Windows Clients:
Disclosure Vulnerability Important / ID
Windows Servers:
Low / ID
CVE-2017-0066 Microsoft Edge Security Windows Clients:
FeatureBypass Vulnerability Important / SFB
Windows Servers:
Low / SFB
CVE-2017-0067 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0068 Microsoft Edge Information Windows Clients:
Disclosure Vulnerability Important / ID
Windows Servers:
Low / ID
CVE-2017-0069 Microsoft Edge Spoofing Windows Clients:
Vulnerability Important / Spoofing
Windows Servers:
Low / Spoofing
CVE-2017-0070 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0071 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
(Only Windows 10 versions 1511 and 1607 are affected)
Windows Servers:
Moderate / RCE
CVE-2017-0094 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0131 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Important / RCE
Windows Servers:
Low / RCE
CVE-2017-0132 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0133 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
(Only Windows 10 versions 1511 and 1607 are affected)
Windows Servers:
Moderate / RCE
CVE-2017-0134 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0135 Microsoft Edge Security Windows Clients:
Feature Bypass Important / SFB
Windows Servers:
Low / SFB
CVE-2017-0136 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
(Only Windows 10 version 1607 is affected)
CVE-2017-0137 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0138 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0140 Microsoft Edge Security Windows Clients:
Feature Bypass Important / SFB
(Only Windows 10 version 1607 is affected)
Windows Servers:
Low / SFB
CVE-2017-0141 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
Windows Servers:
Moderate / RCE
CVE-2017-0150 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
(Only Windows 10 version 1607 is affected)
Windows Servers:
Moderate / RCE
CVE-2017-0151 Scripting Engine Memory Windows Clients:
Corruption Vulnerability Critical / RCE
(Only Windows 10 version 1607 is affected)
Windows Servers:
Moderate / RCE
Vulnerability Information
Multiple Microsoft Scripting Engine Memory Corruption Vulnerabilities
Remote code execution vulnerabilities exist in the way affected Microsoft
scripting engines render when handling objects in memory in Microsoft
browsers. These vulnerabilities could corrupt memory in such a way that an
attacker could execute arbitrary code in the context of the current user. An
attacker who successfully exploited these vulnerabilities could gain the same
user rights as the current user. If the current user is logged on with
administrative user rights, an attacker who successfully exploited these
vulnerabilities could take control of an affected system. An attacker could
then install programs; view, change, or delete data; or create new accounts
with full user rights.
In a web-based attack scenario, an attacker could host a specially crafted
website that is designed to exploit these vulnerabilities through a Microsoft
browser and then convince a user to view the website. An attacker could also
embed an ActiveX control marked "safe for initialization" in an application or
Microsoft Office document that hosts the Edge rendering engine. The attacker
could also take advantage of compromised websites, and websites that accept or
host user-provided content or advertisements. These websites could contain
specially crafted content that could exploit the vulnerabilities.
The security update addresses these vulnerabilities by modifying how the
affected Microsoft scripting engines handle objects in memory.
Mitigating Factors
Microsoft has not identified any mitigating factors for these vulnerabilities.
Workarounds
Microsoft has not identified any workarounds for these vulnerabilities.
Multiple Microsoft Edge Information Disclosure Vulnerabilities
Multiple information disclosure vulnerabilities exist in the way that the
affected components handle objects in memory. An attacker who successfully
exploited these vulnerabilities could obtain information to further compromise
a target system.
In a web-based attack scenario, an attacker could host a website that is used
to attempt to exploit the vulnerabilities. Additionally, compromised websites
and websites that accept or host user-provided content could contain specially
crafted content that could be used to exploit these vulnerabilities. However,
in all cases, an attacker would have no way to force users to view
attacker-controlled content. Instead, an attacker would have to convince users
to take action. For example, an attacker could trick users into clicking a
link that takes them to the attacker's site.
The security update addresses these vulnerabilities by correcting how the
affected components handle objects in memory.
Mitigating Factors
Microsoft has not identified any mitigating factors for these vulnerabilities.
Workarounds
Microsoft has not identified any workarounds for these vulnerabilities.
Multiple Microsoft Edge Spoofing Vulnerabilities
Spoofing vulnerabilities exist when a Microsoft browser does not properly
parse HTTP responses. An attacker who successfully exploited these
vulnerabilities could trick a user by redirecting them to a specially crafted
website. The specially crafted website could spoof content or be used as a
pivot to chain an attack with other vulnerabilities in web services.
To exploit these vulnerabilities, the user must click a specially crafted URL.
In an email attack scenario, an attacker could send an email message
containing the specially crafted URL to the user in an attempt to convince the
user to click it.
In a web-based attack scenario, an attacker could host a specially crafted
website designed to appear as a legitimate website to the user. However, the
attacker would have no way to force the user to visit the specially crafted
website. The attacker would have to convince the user to visit the specially
crafted website, typically by way of enticement in an email or Instant
Messenger message, and then convince the user to interact with content on the
website.
The update addresses these vulnerabilities by correcting how Microsoft
browsers parse HTTP responses.
Mitigating Factors
Microsoft has not identified any mitigating factors for these vulnerabilities.
Workarounds
Microsoft has not identified any workarounds for these vulnerabilities.
Microsoft Browser Memory Corruption Vulnerability CVE-2017-0037
A remote code execution vulnerability exists when Microsoft Edge improperly
accesses objects in memory. The vulnerability could corrupt memory that
enables an attacker to execute arbitrary code in the context of the current
user.
An attacker could host a specially crafted website that is designed to exploit
the vulnerability through Microsoft Edge, and then convince a user to view the
website. The attacker could also take advantage of compromised websites and
websites that accept or host user-provided content or advertisements by adding
specially crafted content that could exploit the vulnerability. In all cases,
however, an attacker would have no way to force users to view the
attacker-controlled content. Instead, an attacker would have to convince users
to take action, typically by way of enticement in an email or Instant
Messenger message, or by getting them to open an attachment sent through
email.
In order to effect full code execution, an adversary would also need to
combine this vulnerability with other exploits. An attacker who successfully
combined multiple vulnerabilities to create an exploit chain could gain the
same user rights as the current user. If the current user is logged on with
administrative user rights, an attacker could take control of an affected
system. An attacker could then install programs; view, change, or delete data;
or create new accounts with full user rights.
The update addresses the vulnerability by modifying how Microsoft Edge handles
objects in memory.
Mitigating Factors
Microsoft has not identified any mitigating factors for this vulnerability.
Workarounds
Microsoft has not identified any workarounds for this vulnerability.
Microsoft PDF Memory Corruption Vulnerability CVE 2017-0023
A remote code execution vulnerability exists when Microsoft Windows PDF
Library improperly handles objects in memory. The vulnerability could corrupt
memory in a way that enables an attacker to execute arbitrary code in the
context of the current user. An attacker who successfully exploited the
vulnerability could gain the same user rights as the current user. If the
current user is logged on with administrative user rights, an attacker could
take control of an affected system. An attacker could then install programs;
view, change, or delete data; or create new accounts with full user rights.
To exploit the vulnerability on Windows 10 systems with Microsoft Edge set as
the default browser, an attacker could host a specially crafted website that
contains malicious PDF content and then convince users to view the website.
The attacker could also take advantage of compromised websites, or websites
that accept or host user-provided content or advertisements, by adding
specially crafted PDF content to such sites. Only Windows 10 systems with
Microsoft Edge set as the default browser can be compromised simply by viewing
a website. The browsers for all other affected operating systems do not
automatically render PDF content, so an attacker would have no way to force
users to view attacker-controlled content. Instead, an attacker would have to
convince users to open a specially crafted PDF document, typically by way of
an enticement in an email or instant message or by way of an email attachment.
The update addresses the vulnerability by modifying how affected systems
handle objects in memory.
Mitigating Factors
Microsoft has not identified any mitigating factors for this vulnerability.
Workarounds
Microsoft has not identified any workarounds for this vulnerability.
Multiple Microsoft Edge Security Feature Bypass Vulnerabilities
Multiple security feature bypass vulnerabilities exist when Microsoft Edge
fails to correctly apply Same Origin Policy for HTML elements present in other
browser windows.
An attacker could trick a user into loading a page with malicious content. To
exploit these vulnerabilities, an attacker would need to trick a user into
loading a page or visiting a site. The page could also be injected into a
compromised site or ad network.
The update addresses these vulnerabilities by correcting the Same Origin
Policy check for scripts attempting to manipulate HTML elements in other
browser windows.
Mitigating Factors
Microsoft has not identified any mitigating factors for these vulnerabilities.
Workarounds
Microsoft has not identified any workarounds for these vulnerabilities.
Microsoft Edge Memory Corruption Vulnerability - CVE-2017-0034
A remote code execution vulnerability exists when Microsoft Edge improperly
accesses objects in memory. The vulnerability could corrupt memory in a way
that enables an attacker to execute arbitrary code in the context of the
current user. An attacker who successfully exploited the vulnerability could
gain the same user rights as the current user. If the current user is logged
on with administrative user rights, an attacker could take control of an
affected system. An attacker could then install programs; view, change, or
delete data; or create new accounts with full user rights.
An attacker could host a specially crafted website that is designed to exploit
the vulnerability through Microsoft Edge, and then convince a user to view the
website. The attacker could also take advantage of compromised websites and
websites that accept or host user-provided content or advertisements by adding
specially crafted content that could exploit the vulnerability. In all cases,
however, an attacker would have no way to force users to view the
attacker-controlled content. Instead, an attacker would have to convince users
to take action, typically by way of an enticement in an email or instant
message, or by getting them to open an email attachment.
The update addresses the vulnerability by modifying how Microsoft Edge handles
objects in memory.
Mitigating Factors
Microsoft has not identified any mitigating factors for the vulnerability.
Workarounds
Microsoft has not identified any workarounds for the vulnerability.
Security Update Deployment
For Security Update Deployment information, see the Microsoft Knowledge Base
article referenced here in the Executive Summary.
Acknowledgments
Microsoft recognizes the efforts of those in the security community who help
us protect customers through coordinated vulnerability disclosure. See
Acknowledgments for more information.
Disclaimer
The information provided in the Microsoft Knowledge Base is provided "as is"
without warranty of any kind. Microsoft disclaims all warranties, either
express or implied, including the warranties of merchantability and fitness
for a particular purpose. In no event shall Microsoft Corporation or its
suppliers be liable for any damages whatsoever including direct, indirect,
incidental, consequential, loss of business profits or special damages, even
if Microsoft Corporation or its suppliers have been advised of the possibility
of such damages. Some states do not allow the exclusion or limitation of
liability for consequential or incidental damages so the foregoing limitation
may not apply.
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