Operating System:

[Appliance]

Published:

02 November 2022

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.5514
  FortiOS -- Telnet on the SSL-VPN interface results in information leak
                              2 November 2022

===========================================================================

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

Product:           FortiOS
Publisher:         Fortinet
Operating System:  Network Appliance
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-35842  

Original Bulletin: 
   https://fortiguard.fortinet.com/psirt/FG-IR-22-223

Comment: CVSS (Max):  3.7 CVE-2022-35842 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
         CVSS Source: Fortinet
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

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FortiOS -- Telnet on the SSL-VPN interface results in information leak

IR Number    : FG-IR-22-223
Date         : Nov 1, 2022
Severity     : Low
CVSSv3 Score : 3.7
Impact       : Information disclosure
CVE ID       : CVE-2022-35842
Affected Products:

FortiOS:
7.2.0, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 7.0.0, 6.4.9, 6.4.8, 6.4.7,
6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0

Summary

An exposure of sensitive information to an unauthorized actor vulnerabiltiy
[CWE-200] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to
gain information about LDAP and SAML settings configured in FortiOS.

Affected Products

FortiOS version 7.2.0
FortiOS version 7.0.0 through 7.0.6
FortiOS version 6.4.0 through 6.4.9

Solutions

Please upgrade to FortiOS version 7.2.2 or above
Please upgrade to FortiOS version 7.0.7 or above
Please upgrade to FortiOS version 6.4.10 or above

References

  o Reboot FortiOS or kill the SSL-VPN process or disable DTLS settings [if
    enabled]

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