User can see and modify address book folders title of other users

Summary

An improper authorization vulnerability [CWE-285] in FortiMail webmail may allow an authenticated attacker to see and modify the title of address book folders of other users via crafted HTTP or HTTPs requests.

Version Affected Solution
FortiMail 7.4 Not affected Not Applicable
FortiMail 7.2 7.2.0 through 7.2.2 Upgrade to 7.2.3 or above
FortiMail 7.0 7.0.0 through 7.0.5 Upgrade to 7.0.6 or above
FortiMail 6.4 6.4 all versions Migrate to a fixed release
FortiMail 6.2 6.2 all versions Migrate to a fixed release
FortiMail 6.0 6.0 all versions Migrate to a fixed release

Acknowledgement

Internally discovered and reported by Hritik Sateesh from Fortinet's Burnaby Infosec team.

Timeline

2023-11-02: Initial publication