CIA Exploits on Mikrotik Hardware /Software

Wed Mar 8 15:31:19 UTC 2017

Hello,
there were 2 typos on that maiil

1) I used lads (sorry force of habit)  was meant in the sense of
Gender Neutrality  as opposed to excluding ladies,

2) the sample firewall rules had a space missing with the wrong
address list name :/

I have corrected them below

On Wed, Mar 8, 2017 at 3:17 PM, Tom Smyth <tom.smyth at wirelessconnect.eu> wrote:
> ---------- Forwarded message ----------
> From: Tom Smyth <tom.smyth at wirelessconnect.eu>
> Date: Wed, Mar 8, 2017 at 3:02 PM
> Subject: CIA Exploits on Mikrotik Hardware /Software
> To: INEX Members Technical Mailing List <tech at inex.ie>
>
>
Hello
>
> For MikroTik Users in the community there are apparently live exploits
> for MikroTik software  and apparently this was used by the CIA, if the
> tools are released in the wild  this would represent a significant
> threat to your ISPs for those of you who have MikroTik Routers with
> public IPs on them and if they are not adequately filtered,
>
> I would humbly suggest that you apply best practices and filter the
> management services  and disable any management services that you dont
> absolutely need,
>
> for further details please find the following
>
> More Details on the MikroTik CIA Exploits
> https://forum.mikrotik.com/viewtopic.php?t=119255
>
> you can disable un needed administration services in
> IP/services menu,
>
> and I would suggest filtering access to the management ports and
> disabling the web management interface altogether and disable ftp
>
> If you want to protect the Routers apply filters on the input chain of
> the Firewall Filter,
>
> tcp dstport 22 for ssh
> tcp dstport 8291 for winbox
> tcp dstport 23 for telnet
> tcp dstport 8729 api
> tcp dstport 8728 api
> tcp dstport 20,21 ftp
> be aware that the api interfaces could have been enabled if you were
> upgrading the software from an older version
>
>
> I have included a sample configuration script below just to help But
> make sure to adjust it to suit your own needs...
>
> /ip service
> set telnet disabled=yes
> set ftp disabled=yes
> set www disabled=yes
> set www-ssl certificate=cert1 disabled=yes
> set api disabled=yes
> set api-ssl disabled=yes
>
> /ip firewall address-list
> add address=5.134.88.0/29 list=Management
>
> #STOP REPLACE the address above with your management ip ranges
> #copy the lines to add more ips
>
>
>
> /ip firewall filter
> add action=accept chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=22
> src-address-list=Management protocol=tcp
> add action=accept chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=8291
> src-address-list=Management protocol=tcp
>
> add action=drop chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=22 protocol=tcp
> add action=drop chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=8291 protocol=tcp
> add action=drop chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=23 protocol=tcp
> add action=drop chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=21 protocol=tcp
> add action=drop chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=8729 protocol=tcp
> add action=drop chain=input comment="Drop input Rule to protect
> MikroTik Devices" dst-port=8728 protocol=tcp
>
>
> after running that script on your mikrotik Firewall ensure the rules
> that you added are moved straight to the top of the firewall  rule set
> ....
>
>
>
> it is important to note that full details on the exploits are not
> available but any service that Mikrotik is running could be an entry
> point so bear that in mind ,
>
> eg , NTP  DNS ...  Hotspot , CDP / MNDP / and the long list of VPN
> services that can be configured on MikroTik...
>
>
> --
> Kindest regards,
> Tom Smyth
>
> Mobile: +353 87 6193172
> ---------------------------------
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> or damage which may be caused by malicious software or attachments.


-- 
Kindest regards,
Tom Smyth

Mobile: +353 87 6193172
---------------------------------
PLEASE CONSIDER THE ENVIRONMENT BEFORE YOU PRINT THIS E-MAIL
This email contains information which may be confidential or
privileged. The information is intended solely for the use of the
individual or entity named above.  If you are not the intended
recipient, be aware that
any disclosure, copying, distribution or use of the contents of this
information is prohibited. If you have received this electronic
transmission in error, please notify me by telephone or by electronic
mail immediately. Any opinions expressed are those of the author, not
the company's  .This email does not constitute either offer or
acceptance of any contractually binding agreement. Such offer or
acceptance must be communicated in
writing. You are requested to carry out your own virus check before
opening any attachment. Thomas Smyth accepts no liability for any loss
or damage which may be caused by malicious software or attachments.