Last week, a new high-severity CVE was released that affects the Linux kernel. This vulnerability provides an opportunity for an attacker who has access to a system as an unprivileged user to escalate those rights to root. To do this, the attacker must have a specific Linux capability, CAP_SYS_ADMIN, which reduces …
This blog was co-authored with Ori Glassman, a security researcher at Aqua Security
Until last week, Log4j was just a popular Java logging framework, one of the numerous components that run in the background of many modern web applications. But since a zero-day vulnerability (CVE-2021-44228) was published, Log4j …
Dec 17 update: The CVSSv3 score for CVE-2021-45046 has been raised from 3.7 to 9.0.
While many organizations are still dealing with the discovery and mitigation process for the previous Log4j CVE, the project has announced that another vulnerability CVE-2021-45046 has been discovered due to an incomplete fix in …
Log4Shell, a new, critical zero-day vulnerability that crashed onto the scene last Friday, shows how issues that are hidden in seemingly basic functionality can have major repercussions for enterprise security. When the dust settles from the immediate incident response and remediation, organizations should assess …
The Payment Card Industry Data Security Standard (PCI DSS) is a well-known compliance framework for any organization handling payment card data. However, translating the PCI DSS requirements into the world of containers and Kubernetes can be overwhelming. In this post, we break down how containerized applications …
A standard piece of security advice is to reduce the size of your container images, usually by using statically compiled binaries in a scratch or distroless container. However, that complicates container vulnerability scanning, because it becomes impossible to determine the versions of software installed in a …
Earlier this year, Aqua’s Team Nautilus detected a cryptocurrency mining campaign targeting our honeypots. As part of the campaign, the threat actors used a container escape technique that leverages the CGroup release_agent feature. This technique allows an attacker to break out from the container and compromise …
In 2021, container attacks have been on the rise. We observed numerous attacks that were designed to escape container environments to the underlying host, increasing the impact of the attack. But how much damage can be caused when an attacker manages to escape a container? To answer this question, we conducted an …
eBPF technology is seeing strong growth, being widely adopted in the cloud native ecosystem for monitoring, networking, and security goals. At Aqua, along with being used in commercial products, eBPF powers our open source project Tracee to detect events in running containers.
Microsoft recently disclosed a security vulnerability in its Azure Container Instances (ACI) service, referred to as Azurescape. No actual exploitations were reported and, thankfully, no Azure customers were affected by this vulnerability. To clear any doubts around risks to current environments, in this post we …
This blog was co-authored with Itamar Maouda, security researcher at Aqua Security
Aqua’s Team Nautilus detected an intensive campaign targeting cloud native environments that uses advanced persistent threat (APT) techniques usually leveraged by nation-state threat actors. As part of the campaign, the attackers …