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AUSCERT External Security Bulletin Redistribution
ESB-2024.2172
FortiOS & FortiProxy - administrator cookie leakage
10 April 2024
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AusCERT Security Bulletin Summary
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Product: FortiOS
FortiProxy
Publisher: Fortinet
Operating System: Fortinet
Resolution: Patch/Upgrade
CVE Names: CVE-2023-41677
Original Bulletin:
https://fortiguard.fortinet.com/psirt/FG-IR-23-493
Comment: CVSS (Max): 7.5 CVE-2023-41677 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C)
CVSS Source: Fortinet
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C
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FortiOS & FortiProxy - administrator cookie leakage
IR Number : FG-IR-23-493
Date : Apr 9, 2024
Severity : High
CVSSv3 Score : 7.5
Impact : Execute unauthorized code or commands
CVE ID : CVE-2023-41677
Summary
An insufficiently protected credentials vulnerability (CWE-522) in FortiOS and
FortiProxy may allow an attacker to obtain the administrator cookie in rare and
specific conditions, via tricking the administrator into visiting a malicious
attacker-controlled website through the SSL-VPN.
Version | Affected | Solution
FortiOS 7.4 | 7.4.0 through 7.4.1 | Upgrade to 7.4.2 or above
FortiOS 7.2 | 7.2.0 through 7.2.6 | Upgrade to 7.2.7 or above
FortiOS 7.0 | 7.0.0 through 7.0.12 | Upgrade to 7.0.13 or above
FortiOS 6.4 | 6.4.0 through 6.4.14 | Upgrade to 6.4.15 or above
FortiOS 6.2 | 6.2.0 through 6.2.15 | Upgrade to 6.2.16 or above
FortiOS 6.0 | 6.0 all versions | Migrate to a fixed release
FortiProxy 7.4 | 7.4.0 through 7.4.1 | Upgrade to 7.4.2 or above
FortiProxy 7.2 | 7.2.0 through 7.2.7 | Upgrade to 7.2.8 or above
FortiProxy 7.0 | 7.0.0 through 7.0.13 | Upgrade to 7.0.14 or above
FortiProxy 2.0 | 2.0 all versions | Migrate to a fixed release
FortiProxy 1.2 | 1.2 all versions | Migrate to a fixed release
FortiProxy 1.1 | 1.1 all versions | Migrate to a fixed release
FortiProxy 1.0 | 1.0 all versions | Migrate to a fixed release
Follow the recommended upgrade path using our tool at: https://
docs.fortinet.com/upgrade-tool
Acknowledgement
Internally discovered and reported by Gwendal Guegniaud of Fortinet Product
Security team.
Timeline
2024-04-09: Initial publication
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