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AUSCERT Security Bulletin
ASB-2017.0097
Exchange Server Security Upates
12 July 2017
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AusCERT Security Bulletin Summary
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Product: Microsoft Exchange Server
Operating System: Windows
Impact/Access: Increased Privileges -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-8621 CVE-2017-8560 CVE-2017-8559
Member content until: Friday, August 11 2017
OVERVIEW
Microsoft has released its monthly security patch update for the
month of July 2017. [1]
This update resolves 3 vulnerabilities across the following
products:
Microsoft Exchange Server 2010 Service Pack 3
Microsoft Exchange Server 2013 Cumulative Update 16
Microsoft Exchange Server 2013 Service Pack 1
Microsoft Exchange Server 2016 Cumulative Update 5
IMPACT
Microsoft has given the following details regarding these
vulnerabilities.
Details Impact Severity
CVE-2017-8559 Elevation of Privilege Important
CVE-2017-8560 Elevation of Privilege Important
CVE-2017-8621 Spoofing Moderate
MITIGATION
Microsoft recommends updating the software with the version made
available on the Microsoft Update Cataloge for the following
Knowledge Base articles. [1]
KB4018588
REFERENCES
[1] Security Update Guide
https://portal.msrc.microsoft.com/en-us/security-guidance
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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