SB2021090715 - Multiple vulnerabilities in FortiOS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2021-32600)

The vulnerability allows a local user to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions. A local authenticated user assigned to a specific VDOM can retrieve other VDOMs information such as the admin account list and the network interface list. 

2) Code Injection (CVE-ID: CVE-2021-36169)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation within the debug functionality in FortiGate. A local privileged user can execute unauthorized code or commands via specific
chains of `print str` and `cmd mem` cli commands to, respectively, read and write hexadecimal values to any memory address.

Remediation

Install update from vendor's website.

References

• https://www.fortiguard.com/psirt/FG-IR-20-243
• https://www.fortiguard.com/psirt/FG-IR-21-091