Extraneous SSH Public Keys added to Authorized Keys file on Linux VM

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Azure SSH Keypairs Security Feature Bypass Vulnerability

A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init. Extraneous Microsoft service public keys can be unexpectedly added to the VM authorized keys file in the limited scenarios described in 4491476. For more...

PT-2019-1600

Name of the Vulnerable Software and Affected Versions cloud-init affected versions not specified Description The issue is related to an error in processing user-controlled authorization keys, which can be exploited by a remote attacker to gain unauthorized access to protected information. A...

Design/Logic Flaw

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "sshdeletekeys: 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...

CVE-2018-10896

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "sshdeletekeys: 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...

CVE-2018-10896

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "sshdeletekeys: 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...

CVE-2018-10896

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "sshdeletekeys: 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...

CVE-2018-10896

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "sshdeletekeys: 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...

CVE-2018-10896

CVE-2018-10896 is confirmed in multiple Nessus/OpenVAS entries tied to cloud-init. The issue arises from the default cloud-init configuration (ssh_deletekeys: 0) introduced in cloud-init 0.6.2 and newer, which disables deletion of SSH host keys on new instances. This can allow cloned golden-maste...

CVE-2018-10896: Use of Hard-coded Cryptographic Key

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "sshdeletekeys: 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...

CVE-2018-10896

The default cloud-init configuration included "sshdeletekeys: 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...

PT-2018-10167 · Canonical +3 · Cloud-Init +3

Name of the Vulnerable Software and Affected Versions: cloud-init versions 0.6.2 and newer Description: The default cloud-init configuration in affected versions includes "ssh deletekeys: 0", which disables the deletion of ssh host keys. This could lead to instances created by cloning a golden...

4: ovirt-engine exposes cloud-init root password via REST API

It is reported that the RHV 4 REST API exposes data used in cloud-init which can include the root password used when creating a system...

ubuntu-image Unauthorized Operation Vulnerability

ubuntu-image is an image package used in Ubuntu systems. A security vulnerability exists in ubuntu-image. A local attacker can exploit this vulnerability to gain access to the cloud-init and snapd directories...

Fedora 26 : cloud-init (2017-83671c0fa0)

This update fixes several issues with systemd service ordering and network configuration. It also backports a fix for a security issue in which instances run in EC2 write IAM instance profile credentials to disk. To work around the security issue without updating cloud-init, wait at least six hou...

CVE-2017-10600

ubuntu-image 1.0 before 2017-07-07, when invoked as non-root, creates files in the resulting image with the uid of the invoking user. When the resulting image is booted, a local attacker with the same uid as the image creator has unintended access to cloud-init and snapd directories...

Design/Logic Flaw

ubuntu-image 1.0 before 2017-07-07, when invoked as non-root, creates files in the resulting image with the uid of the invoking user. When the resulting image is booted, a local attacker with the same uid as the image creator has unintended access to cloud-init and snapd directories...

UBUNTU-CVE-2017-10600

ubuntu-image 1.0 before 2017-07-07, when invoked as non-root, creates files in the resulting image with the uid of the invoking user. When the resulting image is booted, a local attacker with the same uid as the image creator has unintended access to cloud-init and snapd directories...

CVE-2017-10600

ubuntu-image 1.0 before 2017-07-07, when invoked as non-root, creates files in the resulting image with the uid of the invoking user. When the resulting image is booted, a local attacker with the same uid as the image creator has unintended access to cloud-init and snapd directories...

CVE-2017-10600

ubuntu-image 1.0 before 2017-07-07, when invoked as non-root, creates files in the resulting image with the uid of the invoking user. When the resulting image is booted, a local attacker with the same uid as the image creator has unintended access to cloud-init and snapd directories...