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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2010.0713 Vulnerabilities in TCP/IP Could Allow Elevation of Privilege (978886) 11 August 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Windows Publisher: Microsoft Operating System: Windows 7 Windows Server 2008 Windows Vista Windows Server 2003 Windows XP Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2010-1893 CVE-2010-1892 Original Bulletin: http://www.microsoft.com/technet/security/Bulletin/MS10-058.mspx - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS10-058 - Important Vulnerabilities in TCP/IP Could Allow Elevation of Privilege (978886) Published: August 10, 2010 Version: 1.0 General Information Executive Summary This security update resolves two privately reported vulnerabilities in Microsoft Windows. The more severe of these vulnerabilities could allow elevation of privilege due to an error in the processing of a specific input buffer. An attacker who is able to log on to the target system could exploit this vulnerability and run arbitrary code with system-level privileges. The attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. This security update is rated Important for all supported editions of Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2. For more information, see the subsection, Affected and Non-Affected Software, in this section. The security update addresses the vulnerabilities by correcting the way in which the TCP/IP stack handles malformed IPv6 packets and data copied from user mode. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information. Affected Software Windows Vista Service Pack 1 and Windows Vista Service Pack 2 Windows Vista x64 Edition Service Pack 1 Windows Vista x64 Edition Service Pack 2 Windows Server 2008 for 32-bit Systems Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Windows Server 2008 for x64-based Systems Service Pack 2 Windows Server 2008 for Itanium-based Systems Windows Server 2008 for Itanium-based Systems Service Pack 2 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 IPv6 Memory Corruption Vulnerability - CVE-2010-1892 A denial of service vulnerability exists in TCP/IP processing in Microsoft Windows due to an error in the processing of specially crafted IPv6 packets with a malformed extension header. An attacker could exploit the vulnerability by sending the target system a small number of specially crafted packets, causing the affected system to stop responding. Integer Overflow in Windows Networking Vulnerability CVE-2010-1893 An elevation of privilege vulnerability exists in TCP/IP processing in Microsoft Windows due to an error in the processing of a specific input buffer. An attacker who successfully exploited this vulnerability could run arbitrary code with system-level privileges. 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: https://www.auscert.org.au/1967 iD8DBQFMYfdf/iFOrG6YcBERAra1AKCYjt8VLLEHnfTNbsRRwZtEDeB0sQCfSbwY vZaiB/Q33z4NWQ36g5alkXM= =kL00 -----END PGP SIGNATURE-----