Vulnérabilités de cloud-init

CVE-2024-6174

When a non-x86 platform is detected, cloud-init grants root access to a hardcoded url with a local IP address. To prevent this, cloud-init default configurations disable platform enumeration.

• Mettez à jour vers 21.1-19-gbad84ad4-0ubuntu1~16.04.4+esm2

CVE-2023-5536

A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.

sensitive data exposure in cloud-init logs

Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.

• Mettez à jour vers 21.1-19-gbad84ad4-0ubuntu1~16.04.4

CVE-2020-8632

In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.

CVE-2020-8631

cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.