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AUSCERT Security Bulletin
ASB-2017.0071
Microsoft .NET Framework Updates
10 May 2017
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AusCERT Security Bulletin Summary
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Product: Microsoft .NET Framework
Operating System: Windows
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-0248
Member content until: Friday, June 9 2017
OVERVIEW
Microsoft has released its monthly security patch update for the month
of May 2017 for Microsoft .NET Framework. [1]
This update resolves 1 vulnerability across the following products:
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008
Microsoft .NET Framework 3.5 on Windows Server 2012
Microsoft .NET Framework 3.5 on Windows 8.1
Microsoft .NET Framework 3.5 on Windows Server 2012 R2
Microsoft .NET Framework 3.5 on Windows 10
Microsoft .NET Framework 3.5 on Windows Server 2016
Microsoft .NET Framework 3.5.1 on Windows 7
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2
Microsoft .NET Framework 4.5.2 on Windows 7
Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2
Microsoft .NET Framework 4.5.2 on Windows Server 2012
Microsoft .NET Framework 4.5.2 on Windows 8.1
Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2
Microsoft .NET Framework 4.5.2 on Windows RT 8.1
Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation)
Microsoft .NET Framework 4.5.2 on Windows Server 2008
Microsoft .NET Framework 4.6 on Windows 10
Microsoft .NET Framework 4.6 on Windows Server 2008
Microsoft .NET Framework 4.6/4.6.1 on Windows 7
Microsoft .NET Framework 4.6/4.6.1 on Windows Server 2008 R2
Microsoft .NET Framework 4.6/4.6.1 on Windows Server 2012
Microsoft .NET Framework 4.6/4.6.1 on Windows 8.1
Microsoft .NET Framework 4.6/4.6.1 on Windows Server 2012 R2
Microsoft .NET Framework 4.6/4.6.1 on Windows RT 8.1
Microsoft .NET Framework 4.6/4.6.1 on Windows Server 2012 R2 (Server Core installation)
Microsoft .NET Framework 4.6.1 on Windows 10 Version 1511
Microsoft .NET Framework 4.6.2 on Windows 7
Microsoft .NET Framework 4.6.2 on Windows Server 2008 R2
Microsoft .NET Framework 4.6.2 on Windows Server 2012
Microsoft .NET Framework 4.6.2 on Windows 8.1
Microsoft .NET Framework 4.6.2 on Windows Server 2012 R2
Microsoft .NET Framework 4.6.2 on Windows RT 8.1
Microsoft .NET Framework 4.6.2 on Windows Server 2012 R2 (Server Core installation)
Microsoft .NET Framework 4.6.2 on Windows Server 2016
Microsoft .NET Framework 4.6.2 on Windows 10 Version 1607 for 32-bit Systems
Microsoft .NET Framework 4.6.2 on Windows 10 Version 1607 for x64-based Systems
Microsoft .NET Framework 4.6.2 on Windows Server 2016 (Server Core installation)
Microsoft .NET Framework 4.7 on Windows 10 Version 1703 for 32-bit Systems
Microsoft .NET Framework 4.7 on Windows 10 Version 1703 for x64-based Systems
IMPACT
Microsoft has given the following details regarding these vulnerabilities:
"CVE-2017-0248 - .Net Security Feature Bypass Vulnerability
5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O"[1]
MITIGATION
Microsoft recommends updating the software with the version made
available on the Microsoft Update Cataloge for the following
Knowledge Base articles:
KB4019112, KB4019114, KB4019473, KB4019113, KB4019472
KB4019474, KB4016871, KB4019115.[1]
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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