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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3293
  FortiClientEMS - Session cookie and Directory Traversa Vulnerabilities
                              6 October 2021

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        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.

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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.


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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.

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