Arbitrary read/write vulnerability in administrative interface

Summary

A relative path traversal vulnerability [CWE-23] in FortiOS, FortiProxy, and FortiSwitchManager may allow an authenticated attacker to read and write files on the underlying system via crafted HTTP, HTTPS or CLI requests.

Affected Products

FortiOS version 7.2.0 through 7.2.2
FortiOS version 7.0.0 through 7.0.8
FortiOS version 6.4.0 through 6.4.10
FortiOS version 6.2.0 through 6.2.12
FortiProxy version 7.2.0 through 7.2.1
FortiProxy version 7.0.0 through 7.0.7
FortiProxy version 2.0.0 through 2.0.10
FortiProxy version 1.2 all versions
FortiProxy version 1.1 all versions
FortiSwitchManager version 7.2.0
FortiSwitchManager version 7.0.0

Solutions

Please upgrade to FortiOS version 7.2.3 or above
Please upgrade to FortiOS version 7.0.9 or above
Please upgrade to FortiOS version 6.4.11 or above
Please upgrade to FortiOS version 6.2.13 or above
Please upgrade to FortiProxy version 7.2.2 or above
Please upgrade to FortiProxy version 7.0.8 or above
Please upgrade to FortiProxy version 2.0.11 or above
Please upgrade to FortiSwitchManager version 7.2.1 or above
Please upgrade to FortiSwitchManager version 7.0.1 or above

Acknowledgement

Internally discovered and reported by Théo Leleu of Fortinet Product Security team.