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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1889 FortiProxy security update 2 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: FortiProxy Publisher: FortiGuard Labs Operating System: Network Appliance Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Overwrite Arbitrary Files -- Remote/Unauthenticated Denial of Service -- Existing Account Access Confidential Data -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-22130 CVE-2018-13382 CVE-2018-13379 Reference: ESB-2019.1891.3 Original Bulletin: https://fortiguard.com/psirt/FG-IR-21-006 https://fortiguard.com/psirt/FG-IR-20-231 https://fortiguard.com/psirt/FG-IR-20-233 Comment: This bulletin contains three (3) FortiGuard Labs security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- FortiProxy - Stack-based Buffer overflow vulnerability through the diagnose sys cpuset CLI command IR Number : FG-IR-21-006 Date : Jun 01, 2021 Risk : 3/5 CVSSv3 Score : 6.1 Impact : denial of service, Remote Code Execution CVE ID : CVE-2021-22130 Summary A stack-based buffer overflow vulnerability in FortiProxy physical appliance CLI may allow an authenticated, remote attacker to perform a Denial of Service attack by running the `diagnose sys cpuset` with a large cpuset mask value. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution. Impact denial of service, Remote Code Execution Affected Products FortiProxy versions 1.2.9 and below. FortiProxy versions 2.0.1 and below. FortiProxy versions 1.1.x FortiProxy versions 1.0.x Solutions Please upgrade to Fortiproxy version 1.2.10 or above. Please upgrade to Fortiproxy version 2.0.2 or above. - -------------------------------------------------------------------------------- FortiProxy - Unauthenticated SSL VPN users password modification IR Number : FG-IR-20-231 Date : May 30, 2021 Risk : 4/5 CVSSv3 Score : 8.9 Impact : Improper Access Control CVE ID : CVE-2018-13382 Summary An improper access control vulnerability in FortiProxy SSL VPN web portal may allow an unauthenticated and remote attacker to change local SSL-VPN users' passwords via specially crafted HTTP requests. Impact Improper Access Control Affected Products FortiProxy versions 2.0.0 FortiProxy versions 1.2.8 and below. FortiProxy versions 1.1.6 and below. FortiProxy versions 1.0.7 and below. Solutions Please upgrade to FortiProxy versions 1.2.9 or above. Please upgrade to FortiProxy versions 2.0.1 or above. Acknowledgement Fortinet is pleased to thank Meh Chang and Orange Tsai from DEVCORE Security Research Team for reporting this vulnerability under responsible disclosure. - -------------------------------------------------------------------------------- FortiProxy - system file leak through SSL VPN special crafted HTTP resource requests IR Number : FG-IR-20-233 Date : May 30, 2021 Risk : 4/5 CVSSv3 Score : 8.9 Impact : Information Disclosure CVE ID : CVE-2018-13379 Summary A path traversal vulnerability in the FortiProxy SSL VPN web portal may allow a non-authenticated, remote attacker to download FortiProxy system files through specially crafted HTTP resource requests. Impact Information Disclosure Affected Products FortiProxy versions 2.0.0 FortiProxy versions 1.2.8 and below. FortiProxy versions 1.1.6 and below. FortiProxy versions 1.0.7 and below. Solutions Please upgrade to FortiProxy versions 1.2.9 or above. Please upgrade to FortiProxy versions 2.0.1 or above. Acknowledgement Fortinet is pleased to thank Meh Chang and Orange Tsai from DEVCORE Security Research Team for reporting this vulnerability under responsible disclosure. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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