CVE-2023-32684
2.7 · LOWOverview
CVE-2023-32684 is a low-severity vulnerability affecting linuxfoundation lima. It was published on May 30, 2023 and has a CVSS 3.1 base score of 2.7 (LOW).
This vulnerability has a CVSS 3.1 base score of 2.7, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Lima launches Linux virtual machines, typically on macOS, for running containerd. Prior to version 0.16.0, a virtual machine instance with a malicious disk image could read a single file on the host filesystem, even when no filesystem is mounted from the host. The official templates of Lima and the well-known third party products (Colima, Rancher Desktop, and Finch) are unlikely to be affected by this issue. To exploit this issue, the attacker has to embed the target file path (an absolute or a relative path from the instance directory) in a malicious disk image, as the qcow2 (or vmdk) backing file path string. As Lima refuses to run as the root, it is practically impossible for the attacker to read the entire host disk via `/dev/rdiskN`. Also, practically, the attacker cannot read at least the first 512 bytes (MBR) of the target file. The issue has been patched in Lima in version 0.16.0 by prohibiting using a backing file path in the VM base image.
Remediation
Check the references section for vendor advisories and patches from linuxfoundation. Update lima to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linuxfoundation | lima | >= 0, < 0.16.0 | Affected |
References
Frequently Asked Questions
What is CVE-2023-32684?
CVE-2023-32684 is a low-severity vulnerability affecting linuxfoundation lima. It was published on May 30, 2023 and has a CVSS 3.1 base score of 2.7 (LOW).
How severe is CVE-2023-32684?
This vulnerability has a CVSS 3.1 base score of 2.7, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-32684?
Check the references section for vendor advisories and patches from linuxfoundation. Update lima to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-32684?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-32684 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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