SB2023101256 - Multiple vulnerabilities in Fortinet FortiAnalyzer and FortiManager

Description

This security bulletin contains information about 3 vulnerabilities.

1) Insufficient verification of data authenticity (CVE-ID: CVE-2023-42782)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient verification of data authenticity. A remote attacker can send messages to the syslog server via the knoweldge of an authorized device serial number.

2) Client-Side Enforcement of Server-Side Security (CVE-ID: CVE-2023-42787)

CWE-ID: CWE-602 - Client-Side Enforcement of Server-Side Security

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a client-side enforcement of server-side security issue. A remote user can access a privileged web console via client side code execution.

3) Authorization bypass through user-controlled key (CVE-ID: CVE-2023-44249)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authorization bypass through user-controlled key. A remote user can send a specially crafted HTTP request and read sensitive information.

Remediation

Install update from vendor's website.

References

• https://fortiguard.com/psirt/FG-IR-23-221
• https://fortiguard.com/psirt/FG-IR-23-187
• https://fortiguard.com/psirt/FG-IR-23-201