Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0669 Format String Vulnerability in SSH username 4 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: FortiOS FortiAnalyzer FortiManager Publisher: FortiGuard Operating System: Network Appliance Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-1352 Original Bulletin: https://fortiguard.com/psirt/FG-IR-18-018 - --------------------------BEGIN INCLUDED TEXT-------------------- Format String Vulnerability in SSH username IR Number : FG-IR-18-018 Date : Jan 11, 2019 Risk : 4/5 Impact : Execute unauthorized code or commands CVE ID : CVE-2018-1352 Summary There is a format string vulnerability in the SSH username handling when connecting to FortiOS 5.6.0, that may lead to memory corruption. Impact Execute unauthorized code or commands Affected Products FortiOS 5.6.0 The following Fortinet products are NOT affected: FortiOS : 5.4 branch: not vulnerable 5.2 branch: not vulnerable FortiAnalyzer FortiManager Solutions Upgrade to FortiOS 5.6.1 or above. Workaround: Configure the trusthost feature to only allow trusted administrators to use SSH and deny others. Acknowledgement Fortinet thanks Simone Cardona for reporting this vulnerability. - --------------------------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 iQIVAwUBXHzB1WaOgq3Tt24GAQimYxAAwaOATbGKak/I5DECfEX7/N4Pdh1LxWru c+M/dBWoSVB2QyVQQstsFwsjyX9ef2YrKavcErKhOb8cIim2m9EUvIydtgpOJCiX 6+pXB0n95Z1niKkScRrRCmo84WMe1m9+kksEOmU2rKYoeIzTVyI8ZVZdSZwp27oU y5EbRm6wzplvgG9VOnNLPlGiFiJ+lm5ABv0qMPLoxBSMcKRHA6cVcM8ua8yIzHr7 lteNRvmQtgxF2Qp10vS2tI+okFltR1Nazefj9Kynmo8FATgwiwh1jVxppaJlnr84 3yVqTfU7Dt18KhDc3pgBTjYacM2hR4yEZ0bipQva4+KJy4gI2AiWB5y/Gra4WmFa UyzxwOaIdvNHSYUmxl/Uy0TQwNSWsF8lwIIcLl9EnN1Y3nYP/hTNT8iNlwz8t74q FItLT7wBQl4wSmuMpAoNIK1Sm68qfenOsjCYS/gmdt2nJ/0W7e9G56mRC6rLG4y1 Gtb1QJwvb+86t6PAglss2+gxwHC6xfSQvRhTqXRqN2jFCYngXxndznA1SSjuz4HO NZc72csNhxJu/9WHFgdK3dM/bCt9LC1JzBbQylE9AEPEHSJEdW95U7lIQ2orRz4B 2iFopHoazNsI5Pge+JRIknR6ORN3gmnJwgKiRiIM7d3yS1Xe8YKg79GnD06w83c2 4bt+ONQOnmk= =mRXS -----END PGP SIGNATURE-----