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AUSCERT External Security Bulletin Redistribution
FortiClient for Max Execute Arbitrary Code/Commands Vulnerability
14 July 2021
AusCERT Security Bulletin Summary
Operating System: Mac OS
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
CVE Names: CVE-2021-26089
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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
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
Arbitrary code execution
FortiClient for MacOS versions 6.4.3 and below.
Please upgrade to FortiClient for MacOS version 6.4.4 or above.
Please upgrade to FortiClient for MacOS version 7.0.0 or above.
Fortinet is pleased to thank Csaba Fitzl and Trend Micro Zero Day Initiative
for bringing this issue to our attention under responsible disclosure.
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