ESB-2019.1300 - [Appliance] FortiAP: Multiple vulnerabilities 2019-04-16

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1300
                    FortiAP Bleeding Bit Vulnerability
                               16 April 2019

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

Product:           FortiAP
Publisher:         FortiGuard
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-16986  

Reference:         ESB-2018.3432.3
                   ESB-2019.0210

Original Bulletin: 
   https://fortiguard.com/psirt/FG-IR-18-356

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FortiAP Bleeding Bit Vulnerability

IR Number : FG-IR-18-356

Date      : Apr 10, 2019

Risk      : 3/5

Impact    : Execute unauthorized code or commands

CVE ID    : CVE-2018-16986


Summary

Some FortiAP models are vulnerable to the Bleeding Bit Vulnerability
(CVE-2018-16986) present in the Texas Instruments WiFi chips.

CVE-2018-16986:

Texas Instruments BLE-STACK v2.2.1 for SimpleLink CC2640 and CC2650 devices
allows remote attackers to execute arbitrary code via a malformed packet that
triggers a buffer overflow.


Impact

Execute unauthorized code or commands


Affected Products

Only the following FortiAP models are impacted:


FortiAP-S: FAP_S221E and FAP_S223E

FortiAP-W2: FAP_221E (Gen1/Gen2), FAP_222E and FAP_223E (Gen1/Gen2)


Other FortiAP models (including FAP-U/FAP-W2/FAP-S series) are not impacted.

MeruAP models are not impacted


Solutions

Upgrade the impacted FortiAP-S/W2 models to 5.6.4 or 6.0.4


Workarounds

When the affected FortiAP-S/W2 models are managed by a FortiGate, enter the
following CLI commands to disable the BLE scanning feature:

config wireless-controller ble-profile
edit [profile-name]
set ble-scanning disable (*disable is the default value)
next
end


References

  o https://armis.com/bleedingbit/

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