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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1498 Microsoft Security Bulletin MS16-075: Security Update for Windows SMB Server (3164038) 15 June 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Windows Publisher: Microsoft Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2016-3225 Original Bulletin: https://technet.microsoft.com/en-us/library/security/MS16-075 - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS16-075: Security Update for Windows SMB Server (3164038) Executive Summary This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to the system and runs a specially crafted application. This security update is rated Important for all supported releases of Microsoft Windows. Affected Software Windows Vista Windows Server 2008 Windows 7 Windows Server 2008 R2 Windows 8.1 Windows Server 2012 Windows Server 2012 R2 Windows RT 8.1 Windows 10 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2012 (Server Core installation) Windows Server 2012 R2 (Server Core installation) Vulnerability Information Windows SMB Server Elevation of Privilege Vulnerability - CVE-2016-3225 An elevation of privilege vulnerability exists in the Microsoft Server Message Block (SMB) when an attacker forwards an authentication request intended for another service running on the same machine. An attacker who successfully exploited this vulnerability could execute arbitrary code with elevated permissions. To exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses the vulnerability by correcting how Windows Server Message Block (SMB) Server handles credential forwarding requests. The following table contains links to the standard entry for each vulnerability in the Common Vulnerabilities and Exposures list: Vulnerability title CVE number Publicly disclosed Exploited Windows SMB Server Elevation of Privilege Vulnerability CVE-2016-3225 Yes No - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBV2C/hIx+lLeg9Ub1AQhqeBAAnM0lfUW2IPb8i1HMXNCGS+WFa5bWNYhw ZXVo4t4f0W+ORzCXwKYLzci1putPRekf2tObhRyEcdjL4hW0a3VBuXvN/rNHLuc3 F8kyrAo/8NSTIx//kgrrMCclIdD+c7wX565lw6xApFQ6SRmF42Z3wo5oWttelfxg WPUWSWrJEfeRRWu6ZWpR4ksgKecx9FbnpsoZKebbi94qBKr+iAYfmGlhU9xn4Amy CxaFHXuknZwOueMtk2EvkpQTlLgQ2NHAErm/s8c6QM1ZL65GFvf+XwSNunB7xG6X +q96ysLJuD7aoNXx8vtNcETo1LJCrwVFVAwjNL/9zCpi1oHPt3+uetSJLtc74aZx Hu0ynTuqgtD+Yv20v3EYJKg5XzUXyHPWvMilnkQIQ+pblxUhGqy+OI6KiRQO3uqQ iUhwo+VKHCdH6B/qCPGMtgg0DxiET97UqvY5wwfn+8CQDVLZh9b19Z4TPlzjJ8oa pbBOrRdq1T4mBuCFcvWWt5EV2XBoAp6myuBgnsbUaQ8JvON+uwKqwHWtwB6gjuLH j77En7UGr8Xk4bZkhXt1lbWQiWOCYP7kfoYXqcP86QaIFFhLbbh3nNJjWnGRmgeq Fmh4j8+agHIVie95qzvlHwqQNFAusrX89gItsoYbMVSzeFtvQxdK2rceT8bEUoAc g9/H6xAf7Ko= =2gKx -----END PGP SIGNATURE-----