An attacker may claim spoofed information that a particular legitimate mobile node is in different location than where it really is. If home agent believes that information and works based on it, then the respective mobile node may not get the traffic at all. A malicious mobile node may use the home address of a victim legitimate node in forged binding update sent to a correspondent node. These kinds of attacks generate the threats against the confidentiality, integrity and availability of the mobile nodes. An attacker may go through the contents of a packet destined to another node by redirecting the traffic to it. This leads to man in middle attack between mobile node and the correspondent node. An attacker may also send forged binding up...
... middle of paper ...
... such scenarios.
The use of Return Routability procedure provides good support to MIPv6 without any security issues. This procedure verifies the message exchange between the home agent and mobile node’s care of address to ensure if both the nodes are reachable. The Binding Update messages are exchanged cryptographically. When symmetric attack is used always the response is sent to the node from where the request has come, which avoids the reflection attack. The correspondent node must wait for authorized binding update form the mobile node. The encapsulation (tunnel) also carried out through encryption between home agent and mobile node with IPSec ESP. Nonse exchange through tunnel avoids the possibility of attackers to verify the nonse message, hence the attack from the visited network can also be prevented.
NEMO, Security, Threats, Attacks
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