CVE-2019-5021: Alpine Docker Image ‘null root password’ Vulnerability

Aqua Cloud Native Blog \ Tags: Container Vulnerability

SECURITY RESEARCH

CVE-2019-5021: Alpine Docker Image ‘null root password’ Vulnerability

A new vulnerability that impacts Alpine Docker images was published last week. The vulnerability is due to the ‘root’ user password which is set, by default, to NULL on Alpine Docker images from version 3.3 or higher.

VULNERABILITY MANAGEMENT

Vulnerabilities in the Container Ecosystem: A Brief History

Now that containers have been around for a few years and have had their share of disclosed vulnerabilities, it’s time to revisit some of the more interesting ones and see if there’s a recurring theme or any underlying trend to highlight.

SOFTWARE SUPPLY CHAIN SECURITY

Docker Hub Unauthorized Access Incident: What You Should Know

A few days ago, Docker discovered that a database holding the credentials of some 190,000 Docker Hub accounts was exposed to unauthorized access (about 5% of all Docker Hub accounts). We’ve been getting questions from customers on this, so I wanted to set the record straight on what we know and what we recommend doing.

CONTAINER SECURITY

Preventing Container Breakouts with Dynamic System Call Profiling

Recently, IBM researchers weighed in on container isolation, having developed an algorithm for measuring how well it works, and reached the conclusion that “a Docker container with a well crafted seccomp profile (which blocks unexpected system calls) provides roughly equivalent security to a hypervisor.“

SECURITY RESEARCH

Bugs Gone Wild: Container (Stack) Clash and CVE-2017-1000253

A Stack Clash is a vulnerability in the memory management of several operating systems, including Linux. It can be exploited by attackers to corrupt memory of a privileged process in order to execute arbitrary code.

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