[FortiWeb] Format string vulnerability found on multiple paths

Summary

A format string vulnerability in FortiWeb may allow an authenticated, remote attacker to read the content of memory and retrieve sensitive data through the redir parameter.

Affected Products

FortiWeb versions 6.3.5 and below.

Solutions

Please upgrade to FortiWeb versions 6.3.6 or above.

Acknowledgement

Fortinet is pleased to thank Andrey Medov from ptsecurity for reporting this vulnerability under responsible disclosure.

Timeline

2021-01-04: Initial publication