PSIRT Advisories

FortiTester - Missing account lockout on telnet port

Summary

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiTester Telnet port may allow an unauthenticated attacker to guess the credentials of an admin user via a brute force attack.

Affected Products

FortiTester version 7.1.0 through 7.1.1
FortiTester version 7.0.0
FortiTester version 4.2.0 through 4.2.1
FortiTester version 4.1.0 through 4.1.1
FortiTester version 4.0.0
FortiTester version 3.9.0 through 3.9.2
FortiTester version 3.8.0
FortiTester version 3.7.0 through 3.7.1
FortiTester version 3.6.0
FortiTester version 3.5.0 through 3.5.1
FortiTester version 3.4.0
FortiTester version 3.3.0 through 3.3.1
FortiTester version 3.2.0
FortiTester version 3.1.0
FortiTester version 3.0.0
FortiTester version 2.9.0
FortiTester version 2.8.0
FortiTester version 2.7.0
FortiTester version 2.6.0
FortiTester version 2.5.0
FortiTester version 2.4.0 through 2.4.1
FortiTester version 2.3.0

Solutions

Please upgrade to FortiTester version 7.2.0 or above
Please upgrade to FortiTester version 7.1.1 or above
Please upgrade to FortiTester version 4.2.1 or above
Please upgrade to FortiTester version 3.9.2 or above

Acknowledgement

Internally discovered and reported by Wilfried Djettchou of Fortinet Product Security team.