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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2012.0168 Vulnerabilities in Microsoft Visio Viewer 2010 Could Allow Remote Code Execution 15 February 2012 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Visio Viewer Publisher: Microsoft Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2012-0138 CVE-2012-0137 CVE-2012-0136 CVE-2012-0020 CVE-2012-0019 Original Bulletin: http://technet.microsoft.com/en-us/security/bulletin/ms12-015 - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS12-015 - Important Vulnerabilities in Microsoft Visio Viewer 2010 Could Allow Remote Code Execution (2663510) Published Date: February 14, 2012 Version: 1.0 General Information Executive Summary This security update resolves five privately reported vulnerabilities in Microsoft Office. The vulnerabilities could allow remote code execution if a user opens a specially crafted Visio file. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the logged- on user. 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. This security update is rated Important for all supported editions of Microsoft Visio Viewer 2010. For more information, see the subsection, Affected Software, in this section. Affected Software Microsoft Visio Viewer 2010 Microsoft Visio Viewer 2010 Service Pack 1 (32-bit Edition) Microsoft Visio Viewer 2010 Microsoft Visio Viewer 2010 Service Pack 1 (64-bit Edition) Vulnerability Information VSD File Format Memory Corruption Vulnerability - CVE-2012-0019 A remote code execution vulnerability exists in the way that Microsoft Visio Viewer validates attributes when handling specially crafted Visio 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 affected than users who operate with administrative user rights. VSD File Format Memory Corruption Vulnerability - CVE-2012-0020 A remote code execution vulnerability exists in the way that Microsoft Visio Viewer validates attributes when handling specially crafted Visio 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 affected than users who operate with administrative user rights. VSD File Format Memory Corruption Vulnerability - CVE-2012-0136 A remote code execution vulnerability exists in the way that Microsoft Visio Viewer validates attributes when handling specially crafted Visio 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 affected than users who operate with administrative user rights. VSD File Format Memory Corruption Vulnerability - CVE-2012-0137 A remote code execution vulnerability exists in the way that Microsoft Visio Viewer validates attributes when handling specially crafted Visio 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 affected than users who operate with administrative user rights. VSD File Format Memory Corruption Vulnerability - CVE-2012-0138 A remote code execution vulnerability exists in the way that Microsoft Visio Viewer validates attributes when handling specially crafted Visio 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 affected than users who operate with administrative user rights. - --------------------------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. 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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 iQIVAwUBTzsKZ+4yVqjM2NGpAQK/9A//XymgV5OEFESsPXy+/LrH0Xe+hZR2hxvQ nk1cqCy/tvROLtM+wyhxDuKFYd1vnStin2wFYlTVDdZiD0ZpnLTlJtQlg0CBdifH sZe9PPpxs3gRG9BLgGWmPC/AtNbVYWcgN0qryKvUfxMsZQVTnE7BRxDGme9qKvPj XS6OJfAq7hqnjH8OdByXJJIfOCynl8cxFVCcJU6HOFmGRL1WhsmcPNkrSEI7B1PY ESkR9UHJSEU6znCDF2xVxx+qFsChe7bHtOdZxkSpke3+EIHeUrbNtmVKB++W3cI9 fXo0EMhYiItcZQKqsRjLhBB58/ICYvC8Wq2FJ8w0NdRw4SJIFOp+DAXJDnhaKRtv +rruYjWILQhP+ltfySdL8BXuASvOe8FrhxiNOdW5eG3uwTDnst9Bka6ciRGbj/e1 AvIX0n5q+ywAaIDqZeMpqzvL1qo3CnX4qFurLsY+9fIFmvEHbUqLKTOXjZs84SYB k45yTDgbH+pQLDK9y1qAjJP68LSsFFTo/o/wXbFp/kgcJZpKMZyHLp8b47g28suR TstlcSKzarksmQYzEwkCNXkp8jbamU3OR0/06KUyERhgMI3NSRG9hLwST1kAPlpZ wuepfOqdHB7wc57hAxp2cKCQwsCzU+ugK8aZaS7lnshmYAWNSjnWOPZ0ZPUtGCIH EyJZ9CLdppI= =yy6w -----END PGP SIGNATURE-----