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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2006.0611 -- [OpenBSD] off-by-one error in dhcpd(8) 28 August 2006 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: dhcpd Publisher: OpenBSD Operating System: OpenBSD 3.9 and prior Impact: Denial of Service Access: Remote/Unauthenticated CVE Names: CVE-2006-3122 Ref: ESB-2006.0552 Original Bulletin: http://www.openbsd.org/errata.html#dhcpd - --------------------------BEGIN INCLUDED TEXT-------------------- Due to an off-by-one error in dhcpd(8), it is possible to cause dhcpd(8) to exit by sending a DHCPDISCOVER packet with a 32-byte client identifier option. Patches for the respective releases: ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/006_dhcpd.patch ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/011_dhcpd.patch - --------------------------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 iQCVAwUBRPJKCSh9+71yA2DNAQIy4gP+MC82DMl+vVYvEhLhrSwjOyIW247NNmGG zJhZJnTztF/ILacJajKU+2WgznNxuvlwEx4DEJ2jExZn+kw6aB6Xg5/DlYOEmPnO 6TzzPxDvu0hB6iwpFXHwo7M1N/CTKDdNXS0sCsUy3VnDhfnr0x8GvymUAc9gCgID 0hNOnIirhOE= =VNeq -----END PGP SIGNATURE-----