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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2378 FortiClient for Max Execute Arbitrary Code/Commands Vulnerability 14 July 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: FortiClient Publisher: FortiGuard Operating System: Mac OS Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-26089 Original Bulletin: https://fortiguard.com/psirt/FG-IR-21-022 - --------------------------BEGIN INCLUDED TEXT-------------------- FortiClientMac - Privilege escalation by abusing a Symlink following vulnerability IR Number : FG-IR-21-022 Date : Jul 05, 2021 Risk : 3/5 CVSSv3 Score : 6.3 Impact : Arbitrary code execution CVE ID : CVE-2021-26089 Affected Products: FortiClientMac Summary A UNIX symbolic link (Symlink) Following (CWE-61) vulnerability in FortiClient for MacOS may allow a local and unprivileged user to overwrite privileged shell scripts executed during the installation phase via escalating their privileges to root. Impact Arbitrary code execution Affected Products FortiClient for MacOS versions 6.4.3 and below. Solutions Please upgrade to FortiClient for MacOS version 6.4.4 or above. Please upgrade to FortiClient for MacOS version 7.0.0 or above. Acknowledgement Fortinet is pleased to thank Csaba Fitzl and Trend Micro Zero Day Initiative for bringing this issue to our attention under responsible disclosure. - --------------------------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 iQIVAwUBYO48a+NLKJtyKPYoAQjW6A//UeP07kPIFsM1aolGzNz699CQ8cgyRVNy qtLZQF/X6ivuUnmcsJp90e3IMcl23CLf1jCqTtDb4kKbpc61aIBhvYwV4xAXNOH6 +1LVUfDS366M2fYow9aOH/U/Cwt4g7sZ97LZuSNk28X4/WD85+7/sjyPYmy81fIR ZXlkzRJ3uqHa+8qWtzrqmIsnLNT6XXQpPgN1cK4cVkHUlBMxw3yRw+notHmXoZl1 J5Y1WGirgpvq/1uleszU0Ql/9ur5O+Uki41nuPZsd9YvPj+tHcdwpUKXquutWsX8 OT377/FYWE6XDmBICsk8Qb+LNrvksmmwUwqhEqNeej9MBx/0wS7WL6cSoZH344Vf 2mQ4BlfcUKJVSIQMIfgLY02flN9Mv76jICYGP63Z1KJrbOwRiQQz2AHJuKdaG+ND xn0gLAErq6uTjzF/SXB2/11nEdo7hQwPb3dgFhyqGk7xbEq3Y5MHr3/1EPvIR9T1 SXjam4drEmwddtG4Kqul6OP5nZ4+nSzKl7r09yP4FQM5Re3lRJoTB+LKKgs/8upN WlefQKssWZPAJkt3iIsMrN1iBVc6Guy4tjK5zl8/xzpmkpxoR9uWTKeUo19wySg7 gEAJNi0xDS43vQ84N4WDApJ+2hw3Ye5hGw8D3d7ZmbNxcsA48aDrr2XVyQSHE0tJ FHfUIJftY4o= =Dlpq -----END PGP SIGNATURE-----