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AUSCERT External Security Bulletin Redistribution
ESB-2022.5515
FortiOS - RSA SSH host key lost at shutdown
2 November 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: FortiOS
Publisher: Fortinet
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2022-30307
Original Bulletin:
https://fortiguard.fortinet.com/psirt/FG-IR-22-228
Comment: CVSS (Max): 3.8 CVE-2022-30307 (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L)
CVSS Source: Fortinet
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
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FortiOS - RSA SSH host key lost at shutdown
IR Number : FG-IR-22-228
Date : Nov 1, 2022
Severity : Low
CVSSv3 Score : 3.8
Impact : Improper access control
CVE ID : CVE-2022-30307
Affected Products:
FortiOS: 7.2.0, 7.0.6, 6.4.9
Summary
A key management error vulnerability [CWE-320] affecting the RSA SSH host key
in FortiOS may allow an unauthenticated attacker to perform a man in the middle
attack.
Affected Products
FortiOS version 7.2.0
FortiOS version 7.0.6
FortiOS version 6.4.9
Solutions
Please upgrade to FortiOS version 7.2.2 or above
Please upgrade to FortiOS version 7.0.8 or above
Please upgrade to FortiOS version 6.4.10 or above
Acknowledgement
Fortinet is pleased to thank Samuel Leslie for bringing this issue to our
attention under responsible disclosure.
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