Arbitrary File Write in Libcontainer

Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization "mount namespace breakout" and write to arbitrary file on the host system via a symlink attack in an image when respawning a container...

CVE-2021-41091

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby Docker Engine where the data directory typically /var/lib/docker contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traver...

Design/Logic Flaw

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby Docker Engine where the data directory typically /var/lib/docker contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traver...

CVE-2021-41089 `docker cp` allows unexpected chmod of host files

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby Docker Engine where attempting to copy files using docker cp into a specially-crafted container can result in Unix file permission changes for existing files in the host’s filesystem,...

CVE-2021-41091

CVE-2021-41091 concerns Moby (Docker Engine). A bug in the Docker Engine data directory (/var/lib/docker) left subdirectories with weak permissions, enabling unprivileged host users to traverse contents and, if containers held executables with elevated bits (e.g., setuid), to discover and run tho...

Center for Threat-Informed Defense teams up with Microsoft, partners to build the ATT&CK® for Containers matrix

The MITRE ATT&CK® for Containers matrix was published today, establishing an industry knowledge base of attack techniques associated with containerization and related technologies that are increasingly more ubiquitous in the current computing landscape. Microsoft is happy to have contributed and...

Cryptomining containers caught coining cryptocurrency covertly

In traditional software development, programmers code an application in one computing environment before deploying it to a similar, but often slightly different environment. This leads to bugs or errors that only show up when the software is deployed—exactly when you need them least. To solve for...

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...

5M WordPress Sites Running 'Contact Form 7' Plugin Open to Attack

A patch for the popular WordPress plugin called Contact Form 7 was released Thursday. It fixes a critical bug that allows an unauthenticated adversary to takeover a website running the plugin or possibly hijack the entire server hosting the site. The patch comes in the form of a 5.3.2 version...

Cloud workload security: Should you worry about it?

Due to the increasing use of the cloud, organizations find themselves dealing with hybrid environments and nebulous workloads to secure. Containerization and cloud-stored data have provided the industry with a new challenge. And while you can try to make the provider of cloud data storage...

How To Protect Your Kubernetes Cluster with Wallarm – part 1 of 3

Kubernetes clusters enable an organization to easily take advantage of containerization. While this is a huge asset, it also creates security issues. Many organizations lack visibility into the applications within their Kubernetes cluster and their attack surface. Within a Kubernetes cluster, an...

Explained: cloud-delivered security

As a counterpart to security for your assets in the cloud, you may also run into solutions that offer security from the cloud. These solutions are generally referred to as cloud-delivered security. Cloud-delivered security is sometimes called security-as-a-service which we will avoid here as it...

Envizon v3.0 - Network Visualization And Vulnerability Management/Reporting

This tool is designed, developed and supported by evait security. In order to give something back to the security community, we publish our internally used and developed, state of the art network visualization and vulnerability reporting tool, 'envizon'. We hope your feedback will help to improve...

Smart Check Validated for New Bottlerocket OS

Containers provide a list of benefits to organizations that use them. They’re light, flexible, add consistency across the environment and operate in isolation. However, security concerns prevent some organizations from employing containers. This is despite containers having an extra layer of...

A week in security (December 2 – December 8)

Last week on Malwarebytes Labs, we took a look at a new version of the IcedID Trojan, described web skimmers up to no good, and took a deep dive into containerization. We also explored a report bringing bad news for organizations and insider threats, and threw a spotlight on a video game phish...

Explained: What is containerization?

Containerization. Another one of those tech buzzwords folks love to say but often have no idea what it means. A better way to organize children's toys? The act of bringing tupperware out to dinner to safely transport home leftovers? Another name for Russian dolls? Containerization is, of course,...

APIs Ease Customer Interaction — and External Attacks. Here’s how to Protect Them.

To deliver seamless service experiences to our customers, businesses now rely heavily on application programming interfaces APIs. These are a non-negotiable aspect of the way we streamline the interactions and conversations we have with our customers, both internal and external. APIs are now so...

[SECURITY] Fedora 29 Update: docker-1.13.1-68.git47e2230.fc29

Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere. Docker containers can encapsulate any payload, and will run consistently on and between virtually any server. The same container...

Cloud, Containers, Orchestration Big Factors in BSIMM9

As software and applications increasingly head to the cloud, traditional enterprise software security initiatives are getting turned on their head. The push to the cloud, experts say, isn’t just taking applications and services off premises: It’s redefining how DevOps and traditional IT departmen...

CVE-2017-1002101

In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using subpath volume mounts with any volume type including non-privileged pods, subject to file permissions can access files/directories outside of the volume, including the host's filesyste...