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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0720 Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2961037) 13 May 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Office Publisher: Microsoft Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Unauthorised Access -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2014-1808 CVE-2014-1756 - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS14-023 - Important Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2961037) Published: May 13, 2014 Version: 1.1 This security update resolves two privately reported vulnerabilities in Microsoft Office. The most severe vulnerability could allow remote code execution if a user opens an Office file that is located in the same network directory as a specially crafted library file. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Customers 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 security update is rated Important for supported editions of Microsoft Office 2007, Microsoft Office 2010, and Microsoft Office 2013. Affected Software Microsoft Office 2007 Microsoft Office 2010 Microsoft Office 2013 and Microsoft Office 2013 RT Vulnerability Information Microsoft Office Chinese Grammar Checking Vulnerability - CVE-2014-1756 A remote code execution vulnerability exists in the way that affected Microsoft Office software handles the loading of dynamic-link library (.dll) files. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. Token Reuse Vulnerability - CVE-2014-1808 An information disclosure vulnerability exists when affected Microsoft Office software does not properly handle a specially crafted response while attempting to open an Office file hosted on the malicious website. An attacker who successfully exploited this vulnerability could ascertain access tokens used to authenticate the current user on a targeted Microsoft online service. - --------------------------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). 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