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AUSCERT Security Bulletin
ASB-2017.0212
Security patches for Microsoft Exchange Server
13 December 2017
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AusCERT Security Bulletin Summary
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Product: Microsoft Exchange Server 2013
Microsoft Exchange Server 2016
Operating System: Windows
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-11932
Member content until: Friday, January 12 2018
OVERVIEW
Microsoft has released its monthly security patch update for the
month of December 2017. [1]
This update resolves 2 vulnerabilities across the following products:
Microsoft Exchange Server 2013 Cumulative Update 17
Microsoft Exchange Server 2013 Cumulative Update 18
Microsoft Exchange Server 2016 Cumulative Update 6
Microsoft Exchange Server 2016 Cumulative Update 7
IMPACT
Microsoft has given the following details regarding these
vulnerabilities.
Details Impact Severity
ADV170023 Defense in Depth None
CVE-2017-11932 Spoofing Important
MITIGATION
Microsoft recommends updating the software with the version made
available on the Microsoft Update Catalogue for the following
Knowledge Base articles. [1][2]
KB4045655
REFERENCES
[1] Security Update Guide
https://portal.msrc.microsoft.com/en-us/security-guidance
[2] ADV170023 | Microsoft Exchange Defense in Depth Update
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV170023
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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