Cloud Misconfigurations on the Rise: 2021 Cloud Security Report

Cloud Native Security Research Blog

Aqua Nautilus research team

SECURITY RESEARCH

Cloud Misconfigurations on the Rise: 2021 Cloud Security Report

Insufficient access restrictions, permissive storage policies, and publicly exposed assets are only a few of the mistakes companies make when configuring their cloud infrastructure. The scale of the problem is mind-blowing, with 90% of organizations being vulnerable to security breaches due to cloud misconfigurations. Aqua’s Cloud Security Report sheds light on the most common cloud …

SECURITY RESEARCH

Codecov Breach: Lessons Learned from the CI Poisoning Attack

A recent security incident disclosed by Codecov has again placed the spotlight on supply chain attacks. Looking at the details of the incident and how the system operated, it’s clear that organizations should make changes to how they use third party services as part of their Continuous Integration (CI) pipelines. So what can you do …

SECURITY RESEARCH

JDWP Misconfiguration in Container Images and K8s

Java Debug Wire Protocol (JDWP) is a great way to remotely debug applications during development. However, if enabled when shipped to production, hackers can exploit this mistake by running an arbitrary code that allows initial access or privilege escalation in your production environment. Using Aqua’s Dynamic Threat Analysis (DTA) scanner, we at Team Nautilus detected …

SECURITY RESEARCH

Threat Alert: Monero Miners Target Cloud Native Dev Environments

In September 2020, Aqua’s Team Nautilus detected a campaign that targeted the automated build processes of GitHub and Docker Hub. At that time we notified the affected services and they blocked the attack. Now, this campaign has resurfaced with vengeance. In just four days, the attackers set up 92 malicious Docker Hub registries and 92 …

SECURITY RESEARCH

TeamTNT Pwn Campaign Against Docker and K8s Environments

Last week, TeamTNT launched a new campaign against Docker and Kubernetes environments. Using a collection of container images that are hosted in Docker Hub, the attackers are targeting misconfigured docker daemons, Kubeflow dashboards, and Weave Scope, exploiting these environments in order to steal cloud credentials, open backdoors, mine cryptocurrency, and launch a worm that is …

SECURITY RESEARCH

CVE-2021-3156 sudo Vulnerability Allows Root Privileges

A new severe vulnerability was found in Unix and Linux operating systems that allows an unprivileged user to exploit this vulnerability using sudo, causing a heap overflow to elevate privileges to root without authentication, or even get listed in the sudoers file. In this blog, I’ll go over how this CVE can be exploited, what …

SECURITY RESEARCH

Aqua’s Top Five Threat Alerts for 2020

It has certainly been a rough year and just as life constantly evolves, so do cyber threats. So, here are a few blogs by our cyber security research group, Team Nautilus, that got the most attention from cloud native security professionals. These blogs highlight how attackers continue to get more creative over time, as we …

AQUA OPEN SOURCE, SECURITY RESEARCH

CVE-2020-15275: New Vulnerability Exploits containerd-shim API

A year of challenges isn’t quite over yet, as a new vulnerability was found in containerd, CVE-2020-15257. When exploited, after providing a connection through the container to the host network, an attacker can gain root privileges on the host. This vulnerability was disclosed by Jeff Dileo of NCC Group, our investigation by Team Nautilus is …

SECURITY RESEARCH

Threat Alert: Fileless Malware Executing in Containers

Security Threat

Our cyber research team detected a new type of attack that executes and runs malware straight from memory in containers, thus evading common defenses and static scanning. This malware is using a rootkit to hide its running processes, then hijacks resources by executing a crypto miner from memory — leaving a backdoor that enables attackers …

SECURITY RESEARCH

Threat Alert: Market-First Container Image Built to Attack Kubernetes Clusters

Aqua’s Team Nautilus has uncovered a container image that, for the first time, allows bad actors to find and exploit vulnerabilities in Kubernetes clusters. The attackers propagate this malware through a Docker Hub lookalike account intended to dupe developers into downloading malicious images. To the best of our knowledge, this is the first known case …

SECURITY RESEARCH

Vulnerability in Containerd Can Leak Cloud Credentials

A new vulnerability was found in containerd, located in the container image-pulling process. The new CVE includes manipulation of the image manifest, allowing attackers to craft an image that can leak the host’s registry or cloud credentials when pulled from a registry. This leak occurs even before the image is running any code on your …

SECURITY RESEARCH

Threat Alert: TeamTNT is Back and Attacking Vulnerable Redis Servers

Over the past few weeks, TeamTNT grabbed headlines after launching several novel attacks against cloud native infrastructure. In response, Docker Hub decided to remove TeamTNT’s malicious images from its community and deleted the user ‘Hildeteamtnt.’ But just a few days later, TeamTNT reemerged with a catchy logo “Still alive” embedded in their scripts (although “still …

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