SB2023092716 - Multiple vulnerabilities in FortiTester

Description

This security bulletin contains information about 3 vulnerabilities.

1) OS Command Injection (CVE-ID: CVE-2023-36642)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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

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

The vulnerability exists due to improper input validation in FortiGuard explicit proxy setting within the management interface of FortiTester. A remote privileged user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

2) Cleartext storage of sensitive information (CVE-ID: CVE-2023-40715)

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

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

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

The vulnerability exists due to FortiTeste stores in clear text passwords of external servers configured in the device. A local user can gain access to sensitive information.

3) Use of hard-coded credentials (CVE-ID: CVE-2023-40717)

CWE-ID: CWE-798 - Use of Hard-coded Credentials

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

The vulnerability allows a local user to gain full access to the database.

The vulnerability exists due to presence of hard-coded credentials in application code. A local user with shell access to the system can gain unauthorized access to the mongodb database.

Remediation

Install update from vendor's website.

References

• https://fortiguard.com/psirt/FG-IR-22-501
• https://fortiguard.com/psirt/FG-IR-22-465
• https://fortiguard.com/psirt/FG-IR-22-245