Summary
An improper validation of integrity check value vulnerability [CWE-354] in FortiOS and FortiProxy VMs may allow a local attacker with admin privileges to boot a malicious image on the device and bypass the filesytem integrity check in place.
| Version |
Affected |
Solution |
| FortiOS 7.4 |
Not affected |
Upgrade to 7.4.0 or above |
| FortiOS 7.2 |
7.2.0 through 7.2.3 |
Upgrade to 7.2.4 or above |
| FortiOS 7.0 |
7.0.0 through 7.0.12 |
Upgrade to 7.0.13 or above |
| FortiOS 6.4 |
6.4 all versions |
Migrate to a fixed release |
| FortiOS 6.2 |
6.2 all versions |
Migrate to a fixed release |
| FortiOS 6.0 |
6.0 all versions |
Migrate to a fixed release |
| FortiProxy 7.2 |
7.2 all versions |
Migrate to a fixed release |
| FortiProxy 7.0 |
7.0 all versions |
Migrate to a fixed release |
| FortiProxy 2.0 |
2.0 all versions |
Migrate to a fixed release |
Follow the recommended upgrade path using our tool at: https://docs.fortinet.com/upgrade-tool
Acknowledgement
Fortinet is pleased to thank Michael Anastasakis, Grégoire Lodi and Rustam Komildzhonov from Klarna for reporting this vulnerability under responsible disclosure.
Timeline
2023-11-02: Initial publication
PSIRT
