-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0047
     Dragonblood vulnerabilities in WiFi WPA3 standard implementation
                              6 January 2020

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

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

Product:           FortiGuard products
Publisher:         Fortinet
Operating System:  Network Appliance
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
                   Denial of Service      -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9499 CVE-2019-9498 CVE-2019-9497
                   CVE-2019-9496 CVE-2019-9495 CVE-2019-9494

Reference:         ESB-2019.2875
                   ESB-2019.1775
                   ESB-2019.1258
                   ESB-2019.1237

Original Bulletin: 
   https://fortiguard.com/psirt/FG-IR-19-107

- --------------------------BEGIN INCLUDED TEXT--------------------

Dragonblood vulnerabilities in WiFi WPA3 standard implementation

IR Number : FG-IR-19-107
Date      : Jan 03, 2020
Risk      : 3/5
Impact    : Side-channel attack, Denial of service
CVE ID    : CVE-2019-9494, CVE-2019-9495, CVE-2019-9496, CVE-2019-9497,
            CVE-2019-9498, CVE-2019-9499

Summary

Multiple vulnerabilities, referred to as Dragonblood, exist in WiFi WPA3
standard implementation .

Dragonblood vulnerabilities impacting WiFi WPA3 standard implementations can
cause password leak, denial of service or authorization bypass. They consist
it:

CVE-2019-9494: SAE cache attack against ECC groups (SAE side-channel attacks)
CVE-2019-9495: EAP-PWD cache attack against ECC groups (EAP-PWD side-channel
attack)
CVE-2019-9496: SAE confirm missing state validation
CVE-2019-9497: EAP-PWD reflection attack (EAP-PWD missing commit validation)
CVE-2019-9498: EAP-PWD server missing commit validation for scalar/element
CVE-2019-9499: EAP-PWD peer missing commit validation for scalar/element


Impact

Side-channel attack, Denial of service


Affected Products

FortiOS and FortiAP-S/W2 are only impacted by:

CVE-2019-9494
CVE-2019-9495
CVE-2019-9496


Meru AP and Meru Controller are only impacted by:

CVE-2019-9496


Solutions

FortiOS:

CVE-2019-9494 upgrade to FortiOS 6.2.2
CVE-2019-9495 upgrade to FortiOS 6.2.2
CVE-2019-9496 upgrade to FortiOS 6.2.3

FortiAP-S/W2:

CVE-2019-9494 upgrade to FortiAP-S/W2 6.2.1
CVE-2019-9495 upgrade to FortiAP-S/W2 6.2.1
CVE-2019-9496 upgrade to FortiAP-S/W2 6.2.2

Meru AP:

CVE-2019-9496 upgrade to Meru AP 8.5.1

Meru Controller:

CVE-2019-9496 upgrade to Meru Controller 8.5.1

References

  o https://kb.cert.org/vuls/id/871675/

- --------------------------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).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=8zfc
-----END PGP SIGNATURE-----