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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.2099 FortiClient - Privilege escalation in FortiClient installer 6 May 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: FortiClient Publisher: Fortinet Operating System: Network Appliance Resolution: Patch/Upgrade CVE Names: CVE-2021-43066 Original Bulletin: https://fortiguard.fortinet.com/psirt/FG-IR-21-154 Comment: CVSS (Max): None available when published - --------------------------BEGIN INCLUDED TEXT-------------------- FortiClient - Privilege escalation in FortiClient installer IR Number : FG-IR-21-154 Date : May 3, 2022 Severity : High CVSSv3 Score : 8.8 Impact : Escalation of privilege CVE ID : CVE-2021-43066 Affected Products: FortiClientWindows : 7.0.2, 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 6.0.0 Summary An external control of file name or path vulnerability [CWE-73] in FortiClient Windows may allow an unprivileged attacker to delete or execute files with admin rights via the MSI installer. Affected Products FortiClientWindows version 6.0.X FortiClientWindows version 6.2.X FortiClientWindows version 6.4.0 through 6.4.6 FortiClientWindows version 7.0.0 through 7.0.2 Solutions Upgrade to FortiClient 7.0.3 or above Upgrade to FortiClient 6.4.7 or above Acknowledgement Ilias Dimopoulos of RedyOps Research Labs - --------------------------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 iQIVAwUBYnTADONLKJtyKPYoAQi04RAArAIDe1ub0D2RtJxSZoWhhHavBtGHv17z qK/Cp3aGX8r47hTi0NdmhD2RJY+IEIIz0ZEOn8CNHvxQyfYHcEWamhJT9F91tCBF auaRbyikSh94hGLzj8qeP8ldumr+Vw5xkMvx8XobR1rcgGwxWyapQkp4/ucnpj/7 5mEeHU/d9HD0OkjVpSq0Smeg6hPDIvU4nXPDjeqpVYaBCxoGZECZsM1+/Cp1K9hV 2F8+00IF5dKCqZBEQnjEXZqUU7xaC/Wav2GZHae/miGx6vmgRH4V9rCzWIegjwEs 4RyL4TByj+8qwRSQDXdB+SNLkK7E+4kGnM9MKGvoOMn9SiTrFx+bgQ2plyy+anD2 fzctC9vBj9ZjvvQEMYFPMmAM1CfcKJXEd3ziVgqrWxRMADMsxjEj8WdwcUAqxl8y vXvn2QKBJEEGGNoK10WD/3KnztUa9rLCtIzDxOvAhzyzzfpfnSJDBNPyUC6ShUgf m+RN+s+fqhQmzPZNBWFx2QMMig98/Qq7wWf1WQWGhGKwPacmUmavhY4DOtQHyZfT ycsg5hwUaJfaOKViZ33ZDJCRFFQ0rkJ8xcGcAzigIZv8mPBzPB5aijOTW+V9sgSG rmv2s0q1q7l/h3tKa0mUk7KQ9qCRCCh21MxFOjcQU1F8eH5jIMHt63W1aM9bPTCL MZea4TWoPhQ= =o6MF -----END PGP SIGNATURE-----