Aqua Blog

Container Vulnerability

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Tracee: Tracing Containers with eBPF

This week at Velocity Berlin, I’ll be giving a talk called A Beginner’s Guide to eBPF. To coincide with it, we’re opening up a new Aqua Security open source project called Tracee, which uses eBPF to trace events in containers. This isn’t something that most developers need to do on a day-to-day basis, but for those …

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Docker API Honeypots

Threat Alert: Maneuver Docker API for Host Takeover

Docker clients can communicate with the daemon either locally, via a unix socket, or over a network via a TCP socket. Aqua's research team discovered an interesting attack vector running on top of an unsecured Docker socket API. Instead of running a malicious Docker image, the attacker changes the traditional …

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sudo Vulnerability

CVE-2019-14287 sudo Vulnerability Allows Bypass of User Restrictions

A new vulnerability was discovered earlier this week in the sudo package. Sudo is one of the most powerful and commonly used utilities installed on almost every UNIX and Linux-based operating system.

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container security

Crypto-mining Attack: The Container Security Demo that Went Terribly Right

Sometimes life, a.k.a., the internet, throws us a bone when it comes to running demonstrations on security tools.   

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Kubernetes Security

CVE-2019-11246: Another kubectl Path Traversal Vulnerability Disclosed

A new vulnerability (CVE-2019-11246) was disclosed that enables path traversal in kubectl, the popular command line interface for running commands on Kubernetes clusters. What’s interesting about this CVE is that we’ve already seen two previous variations of the same vulnerability disclosed and patched. Read on to …

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Docker Image Vulnerability Scanning

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.

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container security

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.

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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 …

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Kubernetes security

Kube-hunter - an open source tool for Kubernetes penetration testing

Aqua released a free tool called kube-hunter to help with Kubernetes SecurityYou give it the IP or DNS name of your Kubernetes cluster, and kube-hunter probes for security issues - it’s like automated penetration testing. 

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Aqua 3.2: 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."

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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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