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CVE-2024-11584

cloud-init: Cloud init permissions handling flaw

cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default SocketMode that grants 0666 permissions, making it world-writable. This is used for the "/run/cloud-init/hook-hotplug-cmd" FIFO. An unprivileged user could trigger hotplug-hook commands.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical
Products
Cloud-init
CVE-2024-6174

cloud-init: Cloud init permissions flaw

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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical
Products
Cloud-init
CVE-2023-1786

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.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Fedoraproject Redhat
Products
Cloud-init Ubuntu Linux Fedora and 1 more
CVE-2022-2084

sensitive data exposure in cloud-init logs

Sensitive data could be exposed in world readable logs of cloud-init before version 22.3 when schema failures are reported. This leak could include hashed passwords.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical
Products
Cloud-init Ubuntu Linux
CVE-2021-3429

sensitive data exposure in cloud-init logs

When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat
Products
Cloud-init Enterprise Linux Rhel Eus
CVE-2020-8632

cloud-init: Too short random password length in cc_set_password in config/cc_set_passwords.py

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.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Opensuse and 1 more
Products
Cloud-init Debian Linux Leap and 1 more
CVE-2020-8631

cloud-init: Use of random.choice when generating random password

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.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Opensuse and 1 more
Products
Cloud-init Debian Linux Leap and 1 more
CVE-2018-10896

cloud-init: default configuration disabled deletion of SSH host keys

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling cloud-init's deletion of ssh host keys. In some environments, this could lead to instances created by cloning a golden master or template system, sharing ssh host keys, and being able to impersonate one another or conduct man-in-the-middle attacks.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat
Products
Cloud-init Enterprise Linux Rhel Eus