CyberRota Analysis
AI-GeneratedKubernetes versions prior to 1.19.1 are vulnerable due to a flaw in the CopyFile verification within the Contrast CLI's Kata agent policies, allowing arbitrary writes to the guest root filesystem. This vulnerability could enable a malicious process on an untrusted host to overwrite critical security files or extract sensitive data, leading to a complete compromise of the guest environment. Organizations using affected Kubernetes versions should prioritize upgrading to mitigate this high-severity risk.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to connect to the Kata agent VSOCK could issue a series of CopyFile requests to overwrite security-critical files in the guest or trick the workload into disclosing sensitive data, effectively amounting to a full guest takeover. Users unable to upgrade can apply an equivalent rego policy fix passed to 'contrast generate --policy'.