FortiNAC: CVSS (Max): 3.9

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.2493
          FortiNAC - Weak password hashing method in /etc/shadow
                                4 May 2023

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           FortiNAC
Publisher:         Fortinet
Operating System:  Network Appliance
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-45859  

Original Bulletin: 
   https://fortiguard.fortinet.com/psirt/FG-IR-22-456

Comment: CVSS (Max):  3.9 CVE-2022-45859 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N/E:F/RL:X/RC:R)
         CVSS Source: Fortinet
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N/E:F/RL:X/RC:R

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FortiNAC - Weak password hashing method in /etc/shadow

IR Number    : FG-IR-22-456
Date         : May 3, 2023
Severity     : Low
CVSSv3 Score : 3.9
Impact       : Improper access control
CVE ID       : CVE-2022-45859
Affected Products: FortiNAC: 9.4.1, 9.4.0, 9.2.6, 9.2.5, 9.2.4, 9.2.3, 9.2.2, 
	9.2.1, 9.2.0, 9.1.8, 9.1.7, 9.1.6, 9.1.5, 9.1.4, 9.1.3, 9.1.2, 9.1.1, 
	9.1.0, 8.8.9, 8.8.8, 8.8.7, 8.8.6, 8.8.5, 8.8.4, 8.8.3, 8.8.2, 8.8.11, 
	8.8.10, 8.8.1, 8.8.0, 8.7.6, 8.7.5, 8.7.4, 8.7.3, 8.7.2, 8.7.1, 8.7.0

Summary

An insufficiently protected credentials vulnerability [CWE-522] in FortiNAC may
allow a local attacker with system access to retrieve users' passwords.

Affected Products

At least
FortiNAC-F version 7.2.0
FortiNAC version 9.4.0 through 9.4.1
FortiNAC version 9.2.0 through 9.2.6
FortiNAC 9.1 all versions
FortiNAC 8.8 all versions
FortiNAC 8.7 all versions

Solutions

Please upgrade to FortiNAC-F version 7.2.1 or above
Please upgrade to FortiNAC version 9.4.2 or above
Please upgrade to FortiNAC version 9.2.7 or above

After the upgrade, the CLI account password should be changed.
To know which accounts require a new password, the following command can be
run:

grep ":\$1" /etc/shadow

Then, login to the CLI with that user and type "passwd" to change the password
and update the hash.

Acknowledgement

Fortinet is pleased to thank KPN for bringing this issue to our attention under
responsible disclosure.

Timeline

2023-04-13: Initial publication

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