FG-IR-21-022: [FortiClientMac] Privilege escalation using installer/uninstaller binaries (Improper Symlink following)
First published: Wed Jul 07 2021(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiClient Virtual Private Network |
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Reference Links
Frequently Asked Questions
What is the severity of FG-IR-21-022?
FG-IR-21-022 is considered a moderate severity vulnerability due to its potential for privilege escalation.
How do I fix FG-IR-21-022?
To fix FG-IR-21-022, ensure you update FortiClient for MacOS to the latest version that addresses this symlink vulnerability.
Who is affected by FG-IR-21-022?
FG-IR-21-022 affects local and unprivileged users of FortiClient for MacOS who can exploit the symlink vulnerability.
What can an attacker do with FG-IR-21-022?
An attacker exploiting FG-IR-21-022 can overwrite privileged shell scripts during installation, potentially gaining root privileges.
Is there a workaround for FG-IR-21-022?
Currently, the recommended approach for FG-IR-21-022 is to apply the software update rather than seeking workarounds.
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