Major Vulnerability Found in Argo CD

Major Vulnerability Found in Argo CD

Security researchers at Apiiro have discovered a significant software supply chain zero-day vulnerability in the popular open-source continuous delivery platform, Argo CD.

Used by thousands of organizations globally, Argo CD is a tool that reads environment configurations (written as a helm chart, kustomize files, jsonnet or plain YAML files) from git repositories and applies it Kubernetes namespaces. The platform can manage the execution and monitoring of application deployment post-integration.

The flaw (CVE-2022-24348) lets attackers access and exfiltrate sensitive information such as passwords and API keys.

“A 0-day vulnerability, discovered by Apiiro’s Security Research team, allows malicious actors to load a Kubernetes Helm Chart YAML file to the vulnerability and ‘hop’ from their application ecosystem to other applications’ data outside of the user’s scope,” wrote researchers.

Exploitation of the flaw can lead to privilege escalation, sensitive information disclosure, lateral movement attacks and more.

The attack begins with the threat actor constructing a malicious Kubernetes Helm Chart-a YAML file that embeds different fields to form a declaration of resources and configurations needed in order for deploying an application.

Using the Helm Chart, the attacker builds a dummy configuration to exploit a parsing confusion vulnerability to access restricted information.


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