CVE-2021-20291

A deadlock vulnerability was found in 'github.com/containers/storage' in versions before 1.28.1. When a container image is processed, each layer is unpacked using tar. If one of those layers is not a valid tar archive this causes an error leading to an unexpected situation where the code...

Who Contains the Containers?

Posted by James Forshaw, Project Zero This is a short blog post about a research project I conducted on Windows Server Containers that resulted in four privilege escalations which Microsoft fixed in March 2021. In the post, I describe what led to this research, my research process, and insights...

containers/openjdk: /etc/passwd is given incorrect privileges

An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity,...

containers/openjdk: /etc/passwd is given incorrect privileges

An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity,...

Privilege Escalation

github.com/portainer/portainer is vulnerable to privilege escalation. The vulnerability exists due to an insecure permissions in the isValidStackFile function allowing non-admin user to spawn new containers critical capabilities such as SYSMODULE, which can be used to take over the Docker host...

Microsoft Windows Containers DP API Cryptography Flaw Vulnerability

PRODUCT : Windows Containers VENDOR : Microsoft SEVERITY : High AFFECTED VERSION : Windows 10, Windows Server IDENTIFIERS : CVE-2021-1645 PATCH VERSION : KB4598229, KB4598230, KB4598242, KB4598243 FOUND BY : Marc Nimmerrichter, Certitude Lab Introduction ------------ Windows containers is a featu...

Microsoft Windows Containers DP API Cryptography Flaw

Certitude Security Advisory - CSA-2021-002 PRODUCT : Windows Containers VENDOR : Microsoft SEVERITY : High AFFECTED VERSION : Windows 10, Windows Server IDENTIFIERS : CVE-2021-1645 PATCH VERSION : KB4598229, KB4598230, KB4598242, KB4598243 FOUND BY : Marc Nimmerrichter, Certitude Lab Introduction...

DEBIAN-CVE-2021-21334

In containerd an industry-standard container runtime before versions 1.3.10 and 1.4.4, containers launched through containerd's CRI implementation through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service that share the same image may receive incorrect...

Microsoft Windows Containers Privilege Escalation Vulnerability

The standard user ContainerUser in a Windows Container has elevated privileges and High integrity level which results in making it administrator equivalent even though it should be a restricted user. Windows Containers: ContainerUser has Elevated Privileges Windows Containers: ContainerUser has...

Microsoft Windows Containers Privilege Escalation

Windows Containers: ContainerUser has Elevated Privileges Windows Containers: ContainerUser has Elevated Privileges Platform: Windows 10 20H2 not tested other versions Class: Elevation of Privilege Security Boundary: User Summary: The standard user ContainerUser in a Windows Container has elevate...

Microsoft Visual Studio Code 安全漏洞

Microsoft Visual Studio Code is an open source code editor from Microsoft Corporation USA. A security vulnerability exists in Microsoft Visual Studio Code. The following products and versions are affected: Visual Studio Code Remote - Containers Extension...

OESA-2021-1084 kata-containers security update

This is core component of Kata Container, to make it work, you need a isulad/docker engine. Security Fixes: An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as...

UBUNTU-CVE-2021-21334

In containerd an industry-standard container runtime before versions 1.3.10 and 1.4.4, containers launched through containerd's CRI implementation through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service that share the same image may receive incorrect...

container-tools:2.0 security update

buildah 1.11.6-8.0.1 - Reduce unnecessary writable mounts in NaiveDiffDriver Orabug: 31025483 - Fixes troubles with oracle registry login Orabug: 29937283 1.11.6-8 - exclude i686 arch - Related: 1821193 1.11.6-7 - fix 'CVE-2020-10696 buildah: crafted input tar file may lead to local file...

CVE-2021-21979

In Bitnami Containers, all Laravel container versions prior to: 6.20.0-debian-10-r107 for Laravel 6, 7.30.1-debian-10-r108 for Laravel 7 and 8.5.11-debian-10-r0 for Laravel 8, the file /tmp/app/.env is generated at the time that the docker image bitnami/laravel was built, and the value of APPKEY ...

CVE-2021-21979

In Bitnami Containers, all Laravel container versions prior to: 6.20.0-debian-10-r107 for Laravel 6, 7.30.1-debian-10-r108 for Laravel 7 and 8.5.11-debian-10-r0 for Laravel 8, the file /tmp/app/.env is generated at the time that the docker image bitnami/laravel was built, and the value of APPKEY ...

Design/Logic Flaw

In Bitnami Containers, all Laravel container versions prior to: 6.20.0-debian-10-r107 for Laravel 6, 7.30.1-debian-10-r108 for Laravel 7 and 8.5.11-debian-10-r0 for Laravel 8, the file /tmp/app/.env is generated at the time that the docker image bitnami/laravel was built, and the value of APPKEY ...

CVE-2021-21979

In Bitnami Laravel containers, older images (< 6.20.0-debian-10-r107 for Laravel 6, < 7.30.1-debian-10-r108 for Laravel 7,

CVE-2021-21979

In Bitnami Containers, all Laravel container versions prior to: 6.20.0-debian-10-r107 for Laravel 6, 7.30.1-debian-10-r108 for Laravel 7 and 8.5.11-debian-10-r0 for Laravel 8, the file /tmp/app/.env is generated at the time that the docker image bitnami/laravel was built, and the value of APPKEY ...

podman: container users permissions are not respected in privileged containers

A flaw was found in podman. File permissions for non-root users running in a privileged container are not correctly checked. This flaw can be abused by a low-privileged user inside the container to access any other file in the container, even if owned by the root user inside the container. It doe...