The needed file can be accessed here: https://support.nexusgroup.com/Release/?sub=/Denial%20of%20service%20fix%20-%20DA-798&cat=Nexus%20Smart%20ID%20Digital%20Access%20(HAG)

1. Move the provided file access-point to the virtual appliance. (access-point_5.13.5.dev_i386.deb)
2. SSH into the machine.
3. Exit from the bash menu and elevate the prompt (use, for example, sudo su - )
4. Go to /opt/nexus/access-point/bin.

5. Stop the access point:

   Stop access point

   /etc/init.d/access-point stop

6. Copy the current file access-point and save it in a different location.
7. Remove the file access-point.
8. Copy the provided file access-point to the folder /opt/nexus/access-point/bin.

9. Set the correct permissions:

   Set the correct permissions

   chown pwuser:pwuser /opt/nexus/access-point/bin/access-point

10. Start the access point:
    Start access point

    /etc/init.d/access-point start

11. Make sure that everything works and also verify system logs to check for any anomalies.

The needed files can be accessed here under the respective version: https://support.nexusgroup.com/Release/?sub=/Denial%20of%20service%20fix%20-%20DA-798&cat=Nexus%20Smart%20ID%20Digital%20Access%20(HAG)

1. Move the provided file DA-798-6.0.2.tar to the virtual appliance. 
2. SSH into the machine.
3. Exit from the bash menu and elevate the prompt (use, for example, sudo su - )

4. Stop the access point:

   Stop access point

   docker exec orchestrator hagcli -s access-point -o stop

5. Save the current access point as backup:

   Save current access point

   docker save repo.nexusgroup.com/smartid-digitalaccess/access-point:6.0.2.26514 -o /home/agadmin/access-point-6.0.2-original.tar

6. Remove the old image:

   Remove old image

   docker image rm -f  repo.nexusgroup.com/smartid-digitalaccess/access-point:6.0.2.26514

7. Load the new image (assuming it is in /home/agadmin):

   Load new image

   docker load -i /home/agadmin/DA-798-6.0.2.tar

8. Verify that it worked:

   1. Verify image

      docker image ls | grep access

   2. This should produce a return output similar to this:

      repo.nexusgroup.com/smartid-digitalaccess/access-point           6.0.2.26514         58d0c3e7f973        13 hours ago        495MB

9. Start the new access point:

   Start access point

   docker exec orchestrator hagcli -s access-point -o start

10. Verify that the access point starts:

    Verify that access point starts

    docker ps

This instruction describes how to resolve a denial of service vulnerability in Digital Access 6.0.5 and above.

1. SSH into the machine

2. Make sure you have an active internet connection. If not then download the access point image from the nexusimages repo manually.

3. Manually change the image tag for the access point image in /opt/nexus/docker-compose/versiontag.yml as per below table based on version OR upgrade to version 6.1.3 that includes the fix.

   Versions	Tags
   6.0.5	6.0.5.100852
   6.0.6	6.0.6.100856
   6.0.7	6.0.7.100712
   6.1.0	6.1.0.100858
   6.1.1	6.1.1.100860
   6.1.2	6.1.2.100866

4. Restart the services so that all instances of the access points are updated:

   Restart all services

   docker stack rm da  					//where da is the deployment stack name
   bash /opt/nexus/scripts/start-all.sh 	// to start the services

5. Verify the access point version running:

   Check version

   sudo docker ps