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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1499 Microsoft Security Bulletin MS16-076: Security Update for Netlogon (3167691) 15 June 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Windows Publisher: Microsoft Operating System: Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 Windows Server 2012 R2 Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2016-3228 Original Bulletin: https://technet.microsoft.com/en-us/library/security/MS16-076 - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS16-076: Security Update for Netlogon (3167691) Executive Summary This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker with access to a domain controller (DC) on a target network runs a specially crafted application to establish a secure channel to the DC as a replica domain controller. This security update is rated Important for all supported editions of Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, and Windows Server 2012 R2. Affected Software Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 Windows Server 2012 R2 Windows Server 2012 (Server Core installation) Windows Server 2012 R2 (Server Core installation) Vulnerability Information Windows Netlogon Memory Corruption Remote Code Execution- CVE-2016-3228 This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution when Windows improperly handles objects in memory. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. To exploit the vulnerability, a domain-authenticated attacker could make a specially crafted NetLogon request to a domain controller. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights. This update corrects how Windows handles objects in memory to prevent corruption. 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 Netlogon Memory Corruption Remote Code Execution Vulnerability CVE-2016-3228 No 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 iQIVAwUBV2DEzYx+lLeg9Ub1AQgcew/9E94q1QKKOCN5Uroer39yE9mtYsHAhmgc SCFnJ8Cl0Pm81nw/ECJ+x+hJ6eyQAfYdpETilUQqMxzsEGc9E8UqmLv763Ns8QYZ ctTfX1uYNBh9vTNpkVqXrkmAcgGCu1QxNcNDqwhNgLLJK3nyBTm6tr2DbiOEj86Z HN/5yPOfgcZPBfnFJ65fn0TdhI8hAKuPHVKJ2myKm8xnPx4pSDwgmpbFKwjwFMyE E9yPGHXS3jL11WKtrLdWt/HBSAhvfIOEU0A8NvsypIFpO20FRXTTpugc/cO+J6KG Es3WBYPW+yBjSnUZhGyglnXlNur7PdwbH6NylLd2MH+hdaMMjAC24Mn9ljjyVWmn YkbGZvpYcXh81EF9n+5ZNO34MvgbTZtqNfPZkuzVztSZK9hfLU+44LN7Z0P8cBRl KAIRkbt3540yKng2pbX45sg74BAXOCfAPycNMgmQ5CohK9g794JTLygWBGlFKi+q qbaPMcfQS9mE3F9WTgrYDXwqNUpyU0BW6ltLYZ8YX2W6dhJPGwnN21TLQGgyFsPg NTKdrS8NerzehsPeYrn/VnsbsOcKWmn/XZjCiaAE5vJoJ+VpyBcS6RG1uXr/LROC bh0x6dNvT6fFu2CEIl4fCoamVzHfU18GC5gMEk8x7R6gHzREWFXM16fzlLtn0yrx vUUX+D27eoc= =i82I -----END PGP SIGNATURE-----