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AUSCERT Security Bulletin
ASB-2019.0008.2
Exchange Server
10 January 2019
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AusCERT Security Bulletin Summary
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Product: Microsoft Exchange Server
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-0588 CVE-2019-0586
Member content until: Friday, February 8 2019
Revision History: January 10 2019: Update for Jan 2019
January 9 2019: Initial Release
OVERVIEW
Microsoft has released its monthly security patch update for the month
of January 2019.
This update resolves 2 vulnerabilities across the following products:
[1]
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 25
Microsoft Exchange Server 2013 Cumulative Update 21
Microsoft Exchange Server 2016 Cumulative Update 10
Microsoft Exchange Server 2016 Cumulative Update 11
Microsoft Exchange Server 2019
IMPACT
Microsoft has given the following details regarding these
vulnerabilities.
Details Impact Severity
CVE-2019-0586 Remote Code Execution Important
CVE-2019-0588 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].
KB4468742, KB4471389
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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