[FortiAP] OS command Injection through hidden kdbg CLI command

Summary

An instance of improper neutralization of special elements used in an OS Command found in FortiAP's console may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.

Affected Products

FAP 6.4.1 through 6.4.5
FAP-S 6.2.4 through 6.2.5
FAP-W2 6.2.4 through 6.2.5

Solutions

Please upgrade to FortiAP 7.0.0 or above.
Please upgrade to FortiAP 6.4.6 or above.
Please upgrade to FortiAP-S 6.4.6 or above.
Please upgrade to FortiAP-S 6.2.6 or above.
Please upgrade to FortiAP-W2 7.0.0 or above.
Please upgrade to FortiAP-W2 6.4.6 or above.
Please upgrade to FortiAP-W2 6.2.6 or above.

Acknowledgement

Fortinet is pleased to thank Martin Meredith from kiwibank for reporting this vulnerability under responsible disclosure

Timeline

2021-07-07: Initial publication