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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1253 Vulnerability in Active Directory Could Allow Denial of Service (2853587) 11 September 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Active Directory Publisher: Microsoft Operating System: Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-3868 Original Bulletin: http://technet.microsoft.com/en-us/security/bulletin/ms13-079 - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS13-079 - Important Vulnerability in Active Directory Could Allow Denial of Service (2853587) Published Date: September 10, 2013 Version: 1.0 General Information Executive Summary This security update resolves a privately reported vulnerability in Active Directory. The vulnerability could allow denial of service if an attacker sends a specially crafted query to the Lightweight Directory Access Protocol (LDAP) service. This security update is rated Important for Active Directory Lightweight Directory Service (AD LDS) and Active Directory Services where affected on Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012. The security update addresses the vulnerability by correcting how the LDAP directory service handles specially crafted LDAP queries. Affected Software 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 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 8 for 32-bit Systems Windows 8 for 64-bit Systems Windows Server 2012 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2012 (Server Core installation) Vulnerability Information Remote Anonymous DoS Vulnerability - CVE-2013-3868 A denial of service vulnerability exists in implementations of Active Directory Services and AD LDS that could cause the LDAP directory service to stop responding until an administrator restarts the service. The vulnerability is caused when the LDAP directory service fails to handle a specially crafted query. - --------------------------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 iQIVAwUBUi+yDxLndAQH1ShLAQKONg/+LIb3iagM9pgzaUT+dUPFhiTtXe66rE4B GAHQIH/zD/aXdil/suTE0Ve2tkPSKv2FiYu48W0rbfv6CFP1izFweEeLJbWBe55U EcSqCQ72+X2peSO/u2zK3WU8K6m3Q1jgjBWknSqyBdIDrdH5A6KmHu3xpqzw9Jys AYpi6wPIghfJFpYvR9DoU8s01xZ6pm2Qs/uPJtvW9QiLyADGcHvvF4Qujg+re5s9 X8+0x+Cmo8Ywp6EZcJjGkT5zQBWbjDvBjQ6MvsjZZVrmnuVAMMEj4LS09DKRa6+t eKVzt/JozraScu9MRKAtSIjdRd9y7TfMXKt/LAxKg1CsiFcR1uznCFe4fICInTz7 mPuzUq0UPS+MYw95y70QAOH8POKLk+uGtzF0PaYzxL+bHOZ+1g9pfuU/vqzBzVP3 /Z7+EP1hAHZijGoKkkwfSSuElAFtP3vP2+NDBQCFwn9mD1reU/KnBMsBTq8Q2qQk TxLpg3W21lUFmIOAzQjs/2oil8taG77aJsQD/tfafsTyq/DCngaleieE8O4oB9fP huQ9lyt+X2McO2ZolTB6xjcDFenmE5Rex8BR08aZ2BtelmHxXuKP27vvddY1eQ8f lfRcfk2au6UYPvuxcpv1U9SafmGHDCKn49VTKwhvCqR2VEKysVgnLeI3Wr7kPbcp IFYV9eZ1fm8= =a1kR -----END PGP SIGNATURE-----