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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1827 MS14-056 Cumulative Security Update for Internet Explorer (2987107) 15 October 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Internet Explorer Publisher: Microsoft Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Increased Privileges -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2014-4141 CVE-2014-4140 CVE-2014-4138 CVE-2014-4137 CVE-2014-4134 CVE-2014-4133 CVE-2014-4132 CVE-2014-4130 CVE-2014-4129 CVE-2014-4128 CVE-2014-4127 CVE-2014-4126 CVE-2014-4124 CVE-2014-4123 Original Bulletin: https://technet.microsoft.com/library/security/ms14-056 - --------------------------BEGIN INCLUDED TEXT-------------------- MS14-056 Cumulative Security Update for Internet Explorer (2987107) Published Date: October 14, 2014 Version: 1.0 General Information Executive Summary This security update resolves fourteen privately reported vulnerabilities in Internet Explorer. The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities 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 Critical for Internet Explorer 6 (IE 6), Internet Explorer 7 (IE 7), Internet Explorer 8 (IE 8), Internet Explorer 9 (IE 9), Internet Explorer 10 (IE 10), and Internet Explorer 11 (IE 11) on affected Windows clients, and Moderate for Internet Explorer 6 (IE 6), Internet Explorer 7 (IE 7), Internet Explorer 8 (IE 8), Internet Explorer 9 (IE 9), Internet Explorer 10 (IE 10), and Internet Explorer 11 (IE 11) on affected Windows servers. For more information, see the Affected Software section. The security update addresses the vulnerabilities by modifying the way that Internet Explorer handles objects in memory, by adding additional permission validations to Internet Explorer, and by helping to ensure that affected versions of Internet Explorer properly implement the ASLR security feature. Affected Software Internet Explorer 6 Internet Explorer 7 Internet Explorer 8 Internet Explorer 9 Internet Explorer 10 Internet Explorer 11 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 Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 Windows 8 for 32-bit Systems Windows 8 for x64-based Systems Windows Server 2012 Windows RT Windows 8.1 for 32-bit Systems Windows 8.1 for x64-based Systems Windows Server 2012 R2 Windows RT 8.1 Vulnerability Information Multiple Elevation of Privilege Vulnerabilities in Internet Explorer Elevation of privilege vulnerabilities exist within Internet Explorer. An attacker who successfully exploited these vulnerabilities could elevate privileges in affected versions of Internet Explorer. These vulnerabilities by themselves do not allow arbitrary code to be run. However, these vulnerabilities could be used in conjunction with another vulnerability (e.g., a remote code execution vulnerability) that could take advantage of the elevated privileges when running arbitrary code. Vulnerability title CVE number Internet Explorer Elevation of Privilege Vulnerability CVE-2014-4123 Internet Explorer Elevation of Privilege Vulnerability CVE-2014-4124 Internet Explorer ASLR Bypass Vulnerability CVE-2014-4140 A security feature bypass vulnerability exists in Internet Explorer that could allow an attacker to bypass the Address Space Layout Randomization (ASLR) security feature, which helps protect users from a broad class of vulnerabilities. The security feature bypass by itself does not allow arbitrary code execution. However, an attacker could use this ASLR bypass vulnerability in conjunction with another vulnerability, such as a remote code execution vulnerability, that could take advantage of the ASLR bypass to run arbitrary code. To view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2014-4140. Multiple Memory Corruption Vulnerabilities in Internet Explorer Remote code execution vulnerabilities exist when Internet Explorer improperly accesses objects in memory. These vulnerabilities could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. Vulnerability title CVE number Internet Explorer Memory Corruption Vulnerability CVE-2014-4126 Internet Explorer Memory Corruption Vulnerability CVE-2014-4127 Internet Explorer Memory Corruption Vulnerability CVE-2014-4128 Internet Explorer Memory Corruption Vulnerability CVE-2014-4129 Internet Explorer Memory Corruption Vulnerability CVE-2014-4130 Internet Explorer Memory Corruption Vulnerability CVE-2014-4132 Internet Explorer Memory Corruption Vulnerability CVE-2014-4133 Internet Explorer Memory Corruption Vulnerability CVE-2014-4134 Internet Explorer Memory Corruption Vulnerability CVE-2014-4137 Internet Explorer Memory Corruption Vulnerability CVE-2014-4138 Internet Explorer Memory Corruption Vulnerability CVE-2014-4141 - --------------------------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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