An issue was discovered in Cobbler before 3.3.1. Files in /etc/cobbler are world readable. Two of those files contain some sensitive information that can be exposed to a local user who has non-privileged access to the server. The users.digest file contains the sha2-512 digest of users in a Cobbler local installation. In the case of an easy-to-guess password, it's trivial to obtain the plaintext string. The settings.yaml file contains secrets such as the hashed default password.
{
"binaries": [
{
"binary_name": "cobbler",
"binary_version": "2.4.1-0ubuntu2+esm1"
},
{
"binary_name": "cobbler-common",
"binary_version": "2.4.1-0ubuntu2+esm1"
},
{
"binary_name": "cobbler-web",
"binary_version": "2.4.1-0ubuntu2+esm1"
},
{
"binary_name": "koan",
"binary_version": "2.4.1-0ubuntu2+esm1"
},
{
"binary_name": "python-cobbler",
"binary_version": "2.4.1-0ubuntu2+esm1"
},
{
"binary_name": "python-koan",
"binary_version": "2.4.1-0ubuntu2+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}