A Taxonomy of Attacks Using BGP Blackholing

Loïc Miller and Cristel Pelsser

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Abstract

BGP blackholing is a common technique used to mitigate DDoS attacks. Generally, the victim sends in a request for traffic to the attacked IP(s) to be dropped. Unfortunately, remote parties may misuse blackholing [29, 57] and send requests for IPs they do not own, turning a defense technique into a new attack vector. As DDoS attacks grow in number, blackholing will only become more popular, creating a greater risk this service will be exploited. In this work, we develop a taxonomy of attacks combining hijacks with blackholing: BGP blackjacks (blackhole hijacks). We show that those attacks effectively grant more reach and stealth to the attacker than regular hijacks, and assess the usability of those attacks in various security deployments. We then find that routing security mechanisms for BGP [30, 31] do not provide an adequate protection against some of those attacks, and propose additional mechanisms to properly defend against or mitigate them.

Publication Details

Publication Type
Conference Paper
Publication Date
September 2019
Published In
European Symposium on Research in Computer Security
Volume & Issue
Vol. 11735
Pages
107--127
Publisher
Springer
Location
Luxembourg
Digital Object Identifier (DOI)
10.1007/978-3-030-29959-0_6

BibTeX Citation

@inproceedings{Miller2019,
	title        = {A Taxonomy of Attacks Using BGP Blackholing},
	author       = {Lo{\"{\i}}c Miller and Cristel Pelsser},
	year         = 2019,
	month        = sep,
	booktitle    = {European Symposium on Research in Computer Security},
	publisher    = {Springer},
	address      = {Luxembourg},
	series       = {Lecture Notes in Computer Science},
	volume       = 11735,
	pages        = {107--127},
	doi          = {10.1007/978-3-030-29959-0\_6},
	editor       = {Kazue Sako and Steve A. Schneider and Peter Y. A. Ryan},
	organization = {Springer},
	abstract     = {BGP blackholing is a common technique used to mitigate DDoS attacks. Generally, the victim sends in a request for traffic to the attacked IP(s) to be dropped. Unfortunately, remote parties may misuse blackholing [29, 57] and send requests for IPs they do not own, turning a defense technique into a new attack vector. As DDoS attacks grow in number, blackholing will only become more popular, creating a greater risk this service will be exploited. In this work, we develop a taxonomy of attacks combining hijacks with blackholing: BGP blackjacks (blackhole hijacks). We show that those attacks effectively grant more reach and stealth to the attacker than regular hijacks, and assess the usability of those attacks in various security deployments. We then find that routing security mechanisms for BGP [30, 31] do not provide an adequate protection against some of those attacks, and propose additional mechanisms to properly defend against or mitigate them.},
	bibsource    = {dblp computer science bibliography, https://dblp.org},
	biburl       = {https://dblp.org/rec/conf/esorics/MillerP19.bib},
	groups       = {International Conferences},
	keywords     = {BGP, Security, Blackholing, DDoS, Communities, Hijacks, Leaks},
	type         = {Selective conference},
	x-international-audience = {Yes},
	x-language   = {EN}
}

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