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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT Security Bulletin ASB-2017.0088 Skype for Business and Lync Security Updates 14 June 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Skype for Business and Lync Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-8527 CVE-2017-0283 Member content until: Friday, July 14 2017 OVERVIEW Microsoft has released its monthly security patch update for the month of June 2017 for Skype for Business and Lync. [1] This update resolves 2 vulnerabilities across the following products: Microsoft Lync 2010 (32-bit) Microsoft Lync 2010 (64-bit) Microsoft Lync 2010 Attendee (admin level install) Microsoft Lync 2010 Attendee (user level install) Microsoft Lync 2013 Service Pack 1 (32-bit) Microsoft Lync 2013 Service Pack 1 (64-bit) Skype for Business 2016 (32-bit) Skype for Business 2016 (64-bit) IMPACT Microsoft has given the following details regarding these vulnerabilities: Details Impact Severity CVE-2017-0283 Remote Code Execution Critical CVE-2017-8527 Remote Code Execution Critical MITIGATION Microsoft recommends updating the software with the version made available on the Microsoft Update Cataloge for the following Knowledge Base articles. [1] KB3191939 KB3203382 KB4020732 KB4020733 KB4020734 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. =========================================================================== 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. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWUCfIIx+lLeg9Ub1AQgpKw/+NFPNrZb7GfoKWFi/IfPuFpeZT5/JQDPz l/knZnBZlNn4wufhSva1v/ByO3zr4PiKEszVLo9Mytkm+jmMuY73xH4Fc/zCZ4TL 1b8EIzBpfUZSJ2xOXGMmHoPoy3gUl1YkFwP1hxDPyahfn254hOiwSsSr8Mbw4Mdy KmHZW05DqKYsdrSenzQHTxKmxr93iSoHcfAHPTg643laOaThJbnU/+yw4iUQO0q5 vYkoYh5COx7ZxIK5YSLXJVwweotkHsG2lPIkprCL8U8pZqA1rPjB2VnWSqgfYx3D Lb+oYzV6voppKU82lxM234XOaMQql1uP03Hm7yWL0LjdbifzN/YBfOUCamvNJr9n gnuCJZGHcMCLNQ9DozLSt2xwTojVIEa1RjgPx8RO9xaLRxCiLquh2kPeGsfB8maa h2LSyNr4mI73D4tPXOns+i1Z6XX5DoZaI57WrAm5d1WbaQ5FVzYEB79rQxXEDN1T VYMAXwUkMS121Iwv4CFEOA/Y+Ji7N/Q7WSbv2XbQGCoe0VhxgqUm3s4+WAeyp1Gd yrAhuVzDbp6+/FP6e3rSX3oGc8P64nWmiKoUksi9yxpho/Jf9Z+0mdMQ5F9lvciL ClAa+ARLn6QLfUuHzYsPQyFMEjT6HnBnVh8Yxs5PYE2fxwrsRb6fJnZ4YE2PtTJq FsiutoY86Mo= =0xRC -----END PGP SIGNATURE-----