A use after free vulnerability [CWE-416] in FortiOS & FortiProxy may allow an unauthenticated remote attacker to crash the Web Proxy process via multiple crafted packets reaching proxy policies or firewall policies with proxy mode alongside SSL deep packet inspection.
FortiOS version 7.2.0 through 7.2.4
FortiOS version 7.0.0 through 7.0.10
FortiProxy version 7.2.0 through 7.2.2
FortiProxy version 7.0.0 through 7.0.8
Please upgrade to FortiOS version 7.4.0 or above
Please upgrade to FortiOS version 7.2.5 or above
Please upgrade to FortiOS version 7.0.11 or above
Please upgrade to FortiProxy version 7.2.3 or above
Please upgrade to FortiProxy version 7.0.9 or above
FortiSASE is no longer impacted, issue remediated Q2/23
AcknowledgementInternally discovered during Fortinet TAC investigation.
2023-10-09: Initial publication