Dear bridge validators
a security vulnerability in sudo package was discovered. To address this vulnerability please update the package to the latest version.
The following instruction assumes you’re running a default setup (Ubuntu 16.04):
- login to your node
- update information about packages
sudo apt update
- check currently installed version of the package
sudo apt-cache policy sudo
example output:
sudo:
Installed: 1.8.16-0ubuntu1.7
Candidate: 1.8.16-0ubuntu1.8
Version table:
1.8.16-0ubuntu1.8 500
500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
*** 1.8.16-0ubuntu1.7 100
100 /var/lib/dpkg/status
1.8.16-0ubuntu1 500
500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
Note the Installed version number, if it’s below 1.8.16-0ubuntu1.8, you need to update.
- To do the update run
sudo apt-get --only-upgrade install sudo
- check the Installed version number again
sudo apt-cache policy sudo
it should be 1.8.16-0ubuntu1.8 or higher.