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AUSCERT Security Bulletin
ASB-2018.0052
Security vulnerabilities patched in Microsoft Exchange Server
14 March 2018
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AusCERT Security Bulletin Summary
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Product: Microsoft Exchange Server
Operating System: Windows
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Unauthorised Access -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-0941 CVE-2018-0940 CVE-2018-0924
Member content until: Friday, April 13 2018
OVERVIEW
Microsoft has released its monthly security patch update for the month of
March 2018. [1] This update resolves 3 vulnerabilities across the following
products:
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20
Microsoft Exchange Server 2013 Cumulative Update 18
Microsoft Exchange Server 2013 Cumulative Update 19
Microsoft Exchange Server 2013 Service Pack 1
Microsoft Exchange Server 2016 Cumulative Update 7
Microsoft Exchange Server 2016 Cumulative Update 8
IMPACT
Microsoft has given the following details regarding these vulnerabilities.
Details Impact Severity
CVE-2018-0924 Information Disclosure Low
CVE-2018-0940 Elevation of Privilege Important
CVE-2018-0941 Information Disclosure Important
MITIGATION
Microsoft recommends updating the software with the version made available on
the Microsoft Update Catalogue for the following Knowledge Base articles. [1]
KB4073537, KB4073392
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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