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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2012.0354 Vulnerability in Windows Could Allow Remote Code Execution 11 April 2012 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Windows Publisher: Microsoft Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2012-0151 Original Bulletin: http://technet.microsoft.com/en-us/security/bulletin/ms12-024 - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS12-024 - Critical Vulnerability in Windows Could Allow Remote Code Execution (2653956) Published Date: April 10, 2012 Version: 1.0 General Information Executive Summary This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user or application runs or installs a specially crafted, signed portable executable (PE) file on an affected system. This security update is rated Critical for all supported releases of Microsoft Windows. Affected Software 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 Systems 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 Vulnerability Information WinVerifyTrust Signature Validation Vulnerability - CVE-2012-0151 A remote code execution vulnerability exists in the Windows Authenticode Signature Verification function used for portable executable (PE) files. An anonymous attacker could exploit the vulnerability by modifying an existing signed executable file to leverage unverified portions of the file in such a way as to add malicious code to the file without invalidating the signature. 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. - --------------------------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 iQIVAwUBT4TJU+4yVqjM2NGpAQK1JQ/+Ixs6Wa1EGDvbStFVgxlvW68/euOPwpHC LPdciX4GlLO4DVTtZp4vZAbHCobZ9TGDDGv7jdE37sK2wUvDzMeV0LmYzhrpkXkY 3rYR6hx7Y9O+6aPbMtPYyjmSo5f+wb4w88Y95KW1/LCo7V6BDYYVqN137/h3092+ nI++ROiiKsj12LVh1TPv14A/9UvR2m5EvCwu9OT4nU9m77aC58tArK9mphZ5TUEU ZPQmVk2Qnp90fq5BEhwEDZ+y4WYvveGf44mTHPpKbfyl9MhZbHhLyuGgUi8I0lLL 1G4XHf+4TWfhDB0RWNf1W5PmNvnbRbi0ZdjGXKF3HpHOyRInQtXCphb2+sRY3fKr wCnrbhWzf9slf9SOvZg/5pnSQFbEeLD8AfuvLQMGaZbEmSehRaOncTPDd+lQJDEW zASv3Yh0maDiOZh4E6nZrskYEX3L8DaoT20PX8xHbUcCzeVZALRGmlO524F6flE+ E5uxfHFeJbHBMuaMi8NB+WbU12UA2DsAUSKNfWT1n9QIVRbSxV0q7VEqG7ClonSB +NgPLAr70aduV6VomGgCuk8YNbx4YHqQnZgKKxWenW6dCSWzlHgOnX3jfWLgg2L0 u1jvjBxsEPU6FeWW2O5n8WLWrU2PO5KD264iqF21dIHJCsOLC8icJMs3g/4qr4J9 ghujRoXwzJU= =gT5n -----END PGP SIGNATURE-----