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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2012.0516 Unauthorized Digital Certificates Could Allow Spoofing 4 June 2012 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Windows Publisher: Microsoft Operating System: Windows Impact/Access: Access Confidential Data -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Resolution: Patch/Upgrade Original Bulletin: http://technet.microsoft.com/en-us/security/advisory/2718704 Comment: Details on the Microsoft TechNet Blogs are available here: http://blogs.technet.com/b/msrc/archive/2012/06/03/microsoft-releases-security-advisory-2718704.aspx - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Advisory (2718704) Unauthorized Digital Certificates Could Allow Spoofing Published: Sunday, June 03, 2012 Version: 1.0 General Information Executive Summary Microsoft is aware of active attacks using unauthorized digital certificates derived from a Microsoft Certificate Authority. An unauthorized certificate could be used to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. This issue affects all supported releases of Microsoft Windows. Microsoft is providing an update for all supported releases of Microsoft Windows. The update revokes the trust of the following intermediate CA certificates: Microsoft Enforced Licensing Intermediate PCA (2 certificates) Microsoft Enforced Licensing Registration Authority CA (SHA1) Recommendation. For supported releases of Microsoft Windows, Microsoft recommends that customers apply the update immediately using update management software, or by checking for updates using the Microsoft Update service. For more information, see the Suggested Actions section of this advisory. For affected devices, no update is available at this time. Advisory Details Issue References For more information about this issue, see the following references: References Identification Microsoft Knowledge Base Article 2718704 Affected Software and Devices This advisory discusses the following affected software and devices. Operating System Windows XP Service Pack 3 Windows XP Professional x64 Edition Service Pack 2 Windows Server 2003 Service Pack 2 Windows Server 2003 x64 Edition Service Pack 2 Windows Server 2003 with SP2 for Itanium-based Systems Windows Vista Service Pack 2 Windows Vista x64 Edition Service Pack 2 Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2 Windows Server 2008 for Itanium-based Systems Service Pack 2 Windows 7 for 32-bit Systems Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-based Systems Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 Server Core installation option 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 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Affected Devices Windows Mobile 6.x Windows Phone 7 Windows Phone 7.5 Other Information Microsoft Active Protections Program (MAPP) To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections websites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners. Feedback You can provide feedback by completing the Microsoft Help and Support form, Customer Service Contact Us. Support Customers in the United States and Canada can receive technical support from Security Support. For more information about available support options, see Microsoft Help and Support. International customers can receive support from their local Microsoft subsidiaries. For more information about how to contact Microsoft for international support issues, visit International Support. Microsoft TechNet Security provides additional information about security in Microsoft products. Disclaimer The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. Revisions V1.0 (June 3, 2012): Advisory published. - --------------------------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 iQIVAwUBT8xD4+4yVqjM2NGpAQJ86hAAmIkBggkFxOVKA0KVnTiTJgq6QpSYoxFg 58Ao7fUAREl86/XLaNVoP6v81EVu2s8O2Gd8U7oP8SJm+JO1iIZRq9GsJWlyZuB9 iip1+EdZLVe8eR9fk7ov8axjdT3JjvPk9poDPqik50cP0BqnMzAo/PNkHwuwJ4Gg 09Hac/sGkmgkotJql0rELdLgLyD/jV9YZXXx01brGDB0ThDQrNTjPblmyZnR6bQC hs4uz0GeZKEzjPcc6WgTV1Al4480+QmzqB9W9sy+pGJEtl7A5DRD2lJ1LxZU/GdH AtyIBfCtBYn5xjbeR5ApGgQqoEVPOTqss4KrZlZ43wZnAwW4JjojCaCbFgEyo+Ln 7ml0Lo155ohrMfA4eUTBjqDlziSfKpw6wT7UwzT717JyW+/hHR+GkH+4MOEaLqzp SRY/TaALXTii5+8tuEt1EKGSblLfd1QsaOvyIyauoXnT/q3TrG/kYraZBKb9pezA ArDi+S5K3eRAAFux2SblqkjDKIav/0Y5Avce9SJ/yiKld7J/yg4+6QD5f7SjYhCI 4oNCrN+ix/CDOGoH+NmXkHGAHr22A8UQRd6lKfMxW6L80mFrQGEoxLoVsqBG19QL hBYknuEzMYe8NxGpPJ5vblz1P8sIHy9eUix+4157ja1c9GEpCq437rvNfyQbR6cu 5vIeFOpMw+o= =giAX -----END PGP SIGNATURE-----