Description
The Transmission Control Protocol (TCP) allows remote attackers to cause a denial of service (bandwidth consumption) by sending ACK messages for packets that have not yet been received (optimistic ACKs), which can cause the sender to increase its transmission rate until it fills available bandwidth.
Metrics
CVSS 2.0 7.8/10
AV:N/AC:L/Au:N/C:N/I:N/A:CAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.cs.umd.edu/~capveg/optack/optack-extended.pdf
- http://www.kb.cert.org/vuls/id/102014Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/15468/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23055
- http://www.cs.umd.edu/~capveg/optack/optack-extended.pdf
- http://www.kb.cert.org/vuls/id/102014Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/15468/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23055
Timeline
- Published
- Nov 18, 2005
- Last modified
- Jun 16, 2026
- NVD status
- Modified