PSIRTAuthorization bypass in SSLVPN bookmarks
Summary
An authorization bypass through user-controlled key vulnerability [CWE-639] in FortiOS and FortiProxy SSLVPN may allow an authenticated attacker to gain access to another user’s bookmark via URL manipulation.
| Version | Affected | Solution |
|---|---|---|
| FortiOS 7.4 | 7.4.0 through 7.4.1 | Upgrade to 7.4.2 or above |
| FortiOS 7.2 | 7.2.0 through 7.2.6 | Upgrade to 7.2.7 or above |
| FortiOS 7.0 | 7.0.1 through 7.0.13 | Upgrade to 7.0.14 or above |
| FortiOS 6.4 | 6.4.7 through 6.4.14 | Upgrade to 6.4.15 or above |
| FortiProxy 7.4 | 7.4.0 through 7.4.2 | Upgrade to 7.4.3 or above |
| FortiProxy 7.2 | 7.2.0 through 7.2.8 | Upgrade to 7.2.9 or above |
| FortiProxy 7.0 | 7.0.0 through 7.0.14 | Upgrade to 7.0.15 or above |
Workaround:
Disable SSL VPN web mode.
Acknowledgement
Internally discovered and reported by Kai Ni from Burnaby InfoSec team.Timeline
2024-03-01: Initial publication