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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2011.0134 Vulnerability in JScript and VBScript Scripting Engines Could Allow Information Disclosure 9 February 2011 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: JScript and VBScript Scripting Engines Publisher: Microsoft Operating System: Windows 7 Windows Server 2008 Impact/Access: Read-only Data Access -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2011-0031 Original Bulletin: http://www.microsoft.com/technet/security/Bulletin/MS11-009.mspx - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS11-009 - Important Vulnerability in JScript and VBScript Scripting Engines Could Allow Information Disclosure (2475792) Published: February 08, 2011 Version: 1.0 General Information Executive Summary This security update resolves a privately reported vulnerability in the JScript and VBScript scripting engines. The vulnerability could allow information disclosure if a user visited a specially crafted Web site. An attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker's Web site. This security update is rated Important for all supported editions of Windows 7 and Moderate for all supported editions of Windows Server 2008 R2. For more information, see the subsection, Affected and Non-Affected Software, in this section. The security update addresses the vulnerability by correcting the manner in which the JScript and VBScript scripting engines process scripts in Web pages. Affected Software Windows 7 for 32-bit Systems Windows 7 for x64-based Systems Windows Server 2008 R2 for x64-based Systems Windows Server 2008 R2 for Itanium-based Systems Vulnerability Information Scripting Engines Information Disclosure Vulnerability - CVE-2011-0031 An information disclosure vulnerability exists in the JScript and VBScript scripting engines due to a memory corruption error. An attacker who successfully exploited this vulnerability could read data not intended to be disclosed. Note that this vulnerability would not allow an attacker to execute code or to elevate their user rights directly, but it could be used to obtain information that could be used to try to further compromise the affected system. - --------------------------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 iD8DBQFNUdGw/iFOrG6YcBERAqq/AJ4yNbLyKXZ+A7u8/5KE1bHoEBSg6ACgq60M olOYI42XZ+L0P+IQmAuA82w= =4l4C -----END PGP SIGNATURE-----