The Coremelt attack

  • Authors:
  • Ahren Studer;Adrian Perrig

  • Affiliations:
  • Carnegie Mellon University;Carnegie Mellon University

  • Venue:
  • ESORICS'09 Proceedings of the 14th European conference on Research in computer security
  • Year:
  • 2009

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Abstract

Current Denial-of-Service (DoS) attacks are directed towards a specific victim. The research community has devised several countermeasures that protect the victim host against undesired traffic. We present Coremelt, a new attack mechanism, where attackers only send traffic between each other, and not towards a victim host. As a result, none of the attack traffic is unwanted. The Coremelt attack is powerful because among N attackers, there are O(N2) connections, which cause significant damage in the core of the network. We demonstrate the attack based on simulations within a real Internet topology using realistic attacker distributions and show that attackers can induce a significant amount of congestion.