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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2008.0674 -- [Win] MS08-037 Vulnerabilities in DNS could allow spoofing 9 July 2008 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Windows 2000 Server SP 4 Microsoft Windows 2000 SP 4 Microsoft Windows XP SP 2 and SP 3 Microsoft Windows Server 2003 SP 1 and SP 2 Microsoft Windows Server 2008 Publisher: Microsoft Operating System: Windows Impact: Provide Misleading Information Access: Remote/Unauthenticated CVE Names: CVE-2008-1447 CVE-2008-1454 Ref: AL-2008.0080 Original Bulletin: http://www.microsoft.com/technet/security/bulletin/ms08-037.mspx - --------------------------BEGIN INCLUDED TEXT-------------------- Microsoft Security Bulletin MS08-037 Important This security update resolves two privately reported vulnerabilities in the Windows Domain Name System (DNS) that could allow spoofing. These vulnerabilities exist in both the DNS client and DNS server and could allow a remote attacker to redirect network traffic intended for systems on the Internet to the attacker’s own systems. This security update is rated Important for all supported editions of Microsoft Windows 2000, Windows XP, Windows Server 2003, and Windows Server 2008. For more information, see the subsection, Affected and Non-Affected Software, in this section. The security update addresses the vulnerabilities by using strongly random DNS transaction IDs, using random sockets for UDP queries, and updating the logic used to manage the DNS cache. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information. Recommendation Microsoft recommends that customers apply the update at the earliest opportunity. Known Issues. Microsoft Knowledge Base Article 953230 documents the currently known issues that customers may experience when they install this security update. Affected Software: - DNS client update for Microsoft Windows 2000 Service Pack 4 - DNS Server update for Microsoft Windows 2000 Server Service Pack 4 - DNS client update for Windows XP Service Pack 2 and Windows XP Service Pack 3 - DNS client update for Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2 - DNS client update for Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 - DNS server update for Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 - DNS client update for Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 - DNS server update for Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 - DNS client update for Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems - DNS server update for Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems - DNS server update for Windows Server 2008 for 32-bit Systems (Windows Server 2008 Server Core installation affected) - DNS server update for Windows Server 2008 for x64-based Systems (Windows Server 2008 Server Core installation affected) Non-Affected Software: - Windows Vista and Windows Vista Service Pack 1 - Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1 - Windows Server 2008 for Itanium-based Systems Vulnerability Information DNS Insufficient Socket Entropy Vulnerability - CVE-2008-1447 A spoofing vulnerability exists in Windows DNS client and Windows DNS server. This vulnerability could allow a remote unauthenticated attacker to quickly and reliably spoof responses and insert records into the DNS server or client cache, thereby redirecting Internet traffic. DNS Cache Poisoning Vulnerability - CVE-2008-1454 A cache poisoning vulnerability exists in Windows DNS Server. The vulnerability could allow an unauthenticated remote attacker to send specially crafted responses to DNS requests made by vulnerable systems, thereby poisoning the DNS cache and redirecting Internet traffic from legitimate locations. - --------------------------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 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== 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 iQCVAwUBSHQoSyh9+71yA2DNAQJmUAP+Pjm7prYi/CtaYS2Q31j0Jmbo+Q2l4va3 AsVbAFT7UOF5wsfTKBR61DHRBJr+wBAOS2wgmuxj03wdsd3G0EcOOa5cF5GzaHPK 7E9wxKb08BRwiYi4MHV+ASz2EZNsUTJLOfKSd7Z5ebRnimDmh/YNHDC2wtP2+XRt oo9XNWlYPE0= =+QRM -----END PGP SIGNATURE-----