Description
Cisco IOS 2.2(18)EW, 12.2(18)EWA, 12.2(14)SZ, 12.2(18)S, 12.2(18)SE, 12.2(18)SV, 12.2(18)SW, and other versions without the "no service dhcp" command, keep undeliverable DHCP packets in the queue instead of dropping them, which allows remote attackers to cause a denial of service (dropped traffic) via multiple undeliverable DHCP packets that exceed the input queue size.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.ciac.org/ciac/bulletins/p-034.shtml
- http://www.cisco.com/warp/public/707/cisco-sa-20041110-dhcp.shtml
- http://www.kb.cert.org/vuls/id/630104Third Party Advisory, US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA04-316A.htmlUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18021
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5632
- http://www.ciac.org/ciac/bulletins/p-034.shtml
- http://www.cisco.com/warp/public/707/cisco-sa-20041110-dhcp.shtml
- http://www.kb.cert.org/vuls/id/630104Third Party Advisory, US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA04-316A.htmlUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18021
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5632
Timeline
- Published
- Jan 10, 2005
- Last modified
- Jun 16, 2026
- NVD status
- Modified