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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3293 FortiClientEMS - Session cookie and Directory Traversa Vulnerabilities 6 October 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: FortiClientEMS Publisher: FortiGuard Operating System: Network Appliance Impact/Access: Increased Privileges -- Existing Account Create Arbitrary Files -- Existing Account Delete Arbitrary Files -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-24019 CVE-2020-15941 Original Bulletin: https://www.fortiguard.com/psirt/FG-IR-20-072 https://www.fortiguard.com/psirt/FG-IR-20-074 Comment: This bulletin contains two (2) FortiGuard security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- FortiClientEMS - Session cookie does not expire after logout IR Number : FG-IR-20-072 Date : Oct 5, 2021 Risk : 4/5 CVSSv3 Score : 7.9 Impact : Escalation of Privilege CVE ID : CVE-2021-24019 Affected Products: FortiClientEMS: 6.4.2, 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0 Summary An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks) Affected Products FortiClientEMS version 6.2.8 and below. FortiClientEMS version 6.4.2 and below. Solutions Please upgrade to FortiClientEMS version 6.2.9 or above. Please upgrade to FortiClientEMS version 6.4.3 or above. Please upgrade to FortiClientEMS version 7.0.0 or above. Acknowledgement Fortinet is pleased to thank Danilo Costa for reporting this vulnerability under responsible disclosure. - ------------------------------------------------------------------------------- FortiClientEMS - Directory Traversal vulnerability IR Number : FG-IR-20-074 Date : Oct 5, 2021 Risk : 3/5 CVSSv3 Score : 5.3 Impact : Escalation of privilege CVE ID : CVE-2020-15941 Affected Products: FortiClientEMS: 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0 Summary A path traversal vulnerability [CWE-22] in FortiClientEMS may allow an authenticated attacker to inject directory traversal character sequences to add /delete the files of the server via the name parameter of Deployment Packages. Affected Products FortiClientEMS version 6.4.1 and below. FortiClientEMS version 6.2.8 and below. Solutions Please upgrade to version 6.2.9 or above. Please upgrade to version 6.4.2 or above. Acknowledgement Fortinet is pleased to thank Researcher Johnatan Camargo and Researcher Danilo Costa 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. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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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