SB2022101027 - Multiple vulnerabilities in Fortinet FortiTester
Published: October 10, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2022-35846)
CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a brute-force attack.
The vulnerability exists due to missing brute-force protection within the Telnet service. A remote non-authenticated attacker can guess credentials of an admin user via a brute force attack.
2) OS Command Injection (CVE-ID: CVE-2022-35844)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the management interface. A local user can pass specifically crafted arguments to commands of the certificate import feature and execute arbitrary OS commands on the system.
3) OS Command Injection (CVE-ID: CVE-2022-33873)
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:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the Console, Telnet, and SSH login components. A remote unauthenticated attacker can send a specially crafted request to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.