Security
Last updated
Last updated
A malicious node announces better routes than the other nodes in order to be inserted into the network.
Redirection by changing the route sequence number.
Redirection with a modified hop count.
Denial Of Service (DOS) attacks with modified source routes.
A malicious node is inserted in the network through one of the previous techniques.
The malicious node changes the packet headers it receives.
The packets will not reach the destination.
The transmission is aborted.
DOS attacks with modified source routes
Usurpation of the identity of another node to perform changes.
Spoofing MAC address of other nodes.
Forming loops by spoofing MAC address.
A malicious node M can listen to all nodes.
It changes its MAC address to the MAC address of another node.
It announces to several nodes a shorter path to reach X.
X is now unreachable because of the loop formed.
Generates traffic to disturb the good operation of an ad-hoc network.
Falsifying route error messages.
Isolate nodes.
Corrupting routing state.
Hackers can easily broadcast a message with a spoofed IP address such that the other nodes add this new route to reach a special node S.
The malicious node will receive the packets intended for S.
Routing table overflow attack.
Hackers can send in the network a lot of routes to non-existent nodes until overwhelm the protocol.
Replay attack.
A hacker sends old advertisements to a node.
Black hole attack.
Hacker advertises a zero metric route for all destinations.
All the nodes around it will route packets toward it.
