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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2170 FortiAnalyzer could potentially be used in NTP amplification attacks 23 June 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: FortiAnalyzer Publisher: Fortiguard Operating System: Network Appliance Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade Original Bulletin: https://fortiguard.com/psirt/FG-IR-20-036 - --------------------------BEGIN INCLUDED TEXT-------------------- FortiAnalyzer could potentially be used in NTP amplification attacks IR Number : FG-IR-20-036 Date : Jun 22, 2020 Risk : 3/5 Impact : DoS, NTP amplification attacks CVRF : Download Summary An insufficient control of network message volume (CWE-406) vulnerability in FortiAnalyzer may allow an unauthenticated remote attacker to perform NTP amplification attacks (thereby causing reflected denial of service on arbitrary targets) via sending specially crafted mode 6 queries to the FortiAnalyzer built-in NTP server. Impact DoS, NTP amplification attacks Affected Products FortiAnalyzer 6.4.0, 6.2.3 and below (*) * only models that support FortiRecorder management are impacted: FAZ_200F FAZ_300F FAZ_400E FAZ_800F. FAZ_1000E FAZ_1000F FAZ_2000E FAZ_3000F FAZ_3500G FAZ_3700F FAZ_VM64 FAZ_VM64_KVM Solutions Upgrade to FortiAnalyzer 6.2.4 or 6.4.1 - --------------------------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: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBXvFQhuNLKJtyKPYoAQhltBAAlrn7K8e04oqBETIITY6vzubIX30ZoR4O PAGXv1roCCwCyWTVcemUXmMz7kTR0KSnpKLVBVsI47+tHyYnbgI1QOKF9XjPcxZz q/DVZD95TkgV/MLD8sl3plXuWG6lWldzGQh25II9fcFIg54z+GmA4Tr/TVVXyouO 9G/627XVi7CjGVV9LDfhmm0Y5Ol3OaDV4k6L8IuQMQy4NbKM/5t+k7uzB45sdxbl gH6Q8l7pt7LpR0EzB8oJhbqsuf4pnXmwXm6KNBCOdLDto8Z3rkzbkaXH1F4pKLiM RvcSIEeGTWm0bJ5TXypDOHvFZpwHHbsszOr/7b09ClgXP70NxC0YlkcOMH61ZzbE yUX50tZuXFMi4ud/A8uE0PDaUQ/jYpSNEHT6kv9aGXKlysnOVCZPIPsAOeOupWh8 Us0iM/gfur84OIkiYZhH/CPulFMFjxdIH+0I8nyM2uf78oOC9s9uHYNg5BHTpMyA xbZSptsG+ui02uCDC5IidXrTAc5mbvZU3k9su47VLN74uRdnSyMeRNElPWWRKU4d ZxgOgu4tSVyhhN6EwquT9hIevMEezhsRw43YMnYniO8v5Z4aBzB3kRj2ifaK7+j3 AiVGzUMwUFnPfLbFm6GlRxkvB8Q5ERiKihFTe1fQIyKuBk/LuTcg2bAzaA7uVrNL 8p462nOk3x8= =3ZFA -----END PGP SIGNATURE-----