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AUSCERT External Security Bulletin Redistribution
ESB-2023.2093
FortiOS & FortiProxy - Open redirect in sslvpnd
12 April 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: FortiProxy
FortiOS
Publisher: Fortinet
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2023-22641
Original Bulletin:
https://fortiguard.fortinet.com/psirt/FG-IR-22-479
Comment: CVSS (Max): 4.1 CVE-2023-22641 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N)
CVSS Source: Fortinet
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
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FortiOS & FortiProxy - Open redirect in sslvpnd
IR Number : FG-IR-22-479
Date : Apr 11, 2023
Severity : Medium
CVSSv3 Score : 4.1
Impact : Execute unauthorized code or commands
CVE ID : CVE-2023-22641
Affected Products:
FortiProxy: 7.2.2, 7.2.1, 7.2.0, 7.0.8, 7.0.7, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2,
7.0.1, 7.0.0, 2.0.9, 2.0.8, 2.0.7, 2.0.6, 2.0.5, 2.0.4, 2.0.3, 2.0.2,
2.0.12, 2.0.11, 2.0.10, 2.0.1, 2.0.0, 1.2.9, 1.2.8, 1.2.7, 1.2.6, 1.2.5,
1.2.4, 1.2.3, 1.2.2, 1.2.13, 1.2.12, 1.2.11, 1.2.10, 1.2.1, 1.2.0, 1.1.6,
1.1.5, 1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.7, 1.0.6, 1.0.5, 1.0.4, 1.0.3,
1.0.2, 1.0.1, 1.0.0
FortiOS: 7.2.3, 7.2.2, 7.2.1, 7.2.0, 7.0.9, 7.0.8, 7.0.7, 7.0.6, 7.0.5, 7.0.4, 7.0.3,
7.0.2, 7.0.1, 7.0.0, 6.4.9, 6.4.8, 6.4.7, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2,
6.4.12, 6.4.11, 6.4.10, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4,
6.2.3, 6.2.2, 6.2.13, 6.2.12, 6.2.11, 6.2.10, 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7,
6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.16, 6.0.15, 6.0.14, 6.0.13, 6.0.12, 6.0.11,
6.0.10, 6.0.1, 6.0.0
Summary
A URL redirection to untrusted site ('Open Redirect') vulnerability [CWE-601]
in FortiOS and FortiProxy sslvpnd may allow an unauthenticated attacker to
redirect users to any arbitrary website via a crafted URL.
Affected Products
FortiOS version 7.2.0 through 7.2.3
FortiOS version 7.0.0 through 7.0.9
FortiOS version 6.4.0 through 6.4.12
FortiOS all versions 6.2, 6.0
FortiProxy version 7.2.0 through 7.2.2
FortiProxy version 7.0.0 through 7.0.8
FortiProxy all versions 2.0, 1.2, 1.1, 1.0
Solutions
Please upgrade to FortiProxy version 7.2.3 or above
Please upgrade to FortiProxy version 7.0.9 or above
Please upgrade to FortiOS version 7.2.4 or above
Please upgrade to FortiOS version 7.0.10 or above
Please upgrade to FortiOS version 6.4.13 or above
Acknowledgement
Internally discovered and reported by Gwendal Guegniaud of Fortinet Product
Security team.
Timeline
2023-03-23: Initial publication
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