PSIRTInformation disclosure in web proxy error pages
Summary
A server-generated error message containing sensitive information vulnerability [CWE-550] in FortiOS and FortiProxy web proxy may allow a malicious webserver to retrieve a web proxy's client username and IP via same origin HTTP requests triggering proxy-generated HTTP status codes pages.
| Version | Affected | Solution |
|---|---|---|
| FortiOS 7.2 | Not affected | Not Applicable |
| FortiOS 7.0 | 7.0.0 through 7.0.3 | Upgrade to 7.0.4 or above |
| FortiOS 6.4 | 6.4.0 through 6.4.9 | Upgrade to 6.4.10 or above |
| FortiOS 6.2 | 6.2.0 through 6.2.10 | Upgrade to 6.2.11 or above |
| FortiOS 6.0 | 6.0 all versions | Migrate to a fixed release |
| FortiProxy 7.0 | 7.0.0 through 7.0.1 | Upgrade to 7.0.2 or above |
| FortiProxy 2.0 | 2.0 all versions | Migrate to a fixed release |
Acknowledgement
Fortinet is pleased to thank Tom Tervoort from Secura for bringing this issue to our attention under responsible disclosure.Timeline
2022-05-03: Initial publication