What Is ARP Spoofing Attack?

What Is ARP Spoofing Attack?

ARP  (Address Resolution Protocol) spoofing is a type of the attack in which a malicious attacker sends fake arp messages over a local area network for the link of an attacker’s mac address with the IP address of a computer or server on the network. 

Once the attacker’s mac address is connected to an authentic IP address, the attacker will begin receiving any data that's available for that IP address. ARP spoofing can enable malicious programs to intercept, modify or stop data-in-transit. ARP spoofing attacks can only happen on local area networks that utilize the Address Resolution Protocol.
What Is ARP Spoofing Attack?
What Is ARP Spoofing Attack?

ARP Spoofing Attacks

Arp spoofing attacks are used to steal sensitive data. Beyond this, arp spoofing attacks are frequently used to easier other attacks such as:

DoS attacks frequently used arp spoofing to link multiple informatics addresses with a single target’s mac address. As a result, traffic that's intended for many different IP addresses will be redirected to the target’s mac address, overloading the target with traffic.

Session hijacking attacks will use arp spoofing to steal session IDs, granting attackers access to a system for stealing data.

MITM attacks can dependent on arp spoofing to intercept and modify traffic between victims.

ARP Spoofing Tutorial

ARP spoofing attacks typically follow a similar process. The steps to an ARP spoofing attack typically include:

1. The attacker opens an arp spoofing tool and sets the tool’s IP address to match the IP subnet of a target's computer or network server. Examples of common but popular arp spoofing software program include Arpspoof, Cain & Abel, Arpoison and Ettercap.

2. The attacker uses the ARP spoofing tool to scan for the IP and mac addresses of the host in the target’s subnet.

3. The attacker selects its target and starts sending ARP packets across the LAN that contain the attacker’s MAC address and the target’s IP address.

4. As other hosts on the LAN cache the spoofed ARP packets, data that those hosts send to the victim will go to the attacker instead. From here, the attacker can steal data or launch an attack.

ARP Spoofing Detection, Prevention and Protection

The following methods are recommended measures for preventing, detecting and protecting against ARP spoofing attacks:

Packet filtering: Packet filters inspect packets when packets are transmitted across a network. Packet filters are useful in ARP spoofing prevention because they are able to filter out and blocking packets with conflicting source address information.

Avoid trust relationships: Organizations should develop protocols that dependent on trust relationships as little as possible. Trust relationships rely only on IP addresses for authentication, making it obviously easier for attackers to run ARP spoofing attacks when they are in place.

Use ARP spoofing detection software: There are many popular programs available that help organizations detect ARP spoofing attacks.

Use cryptographic network protocols: Transport Layer Security (TLS), Secure Shell (SSH), HTTP Secure (HTTPS) and other secure communications protocols support ARP spoofing attack prevention by encrypting data prior to transmission and authenticating data when it is received.

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What Is ARP Spoofing Attack? What Is ARP Spoofing Attack? Reviewed by Technowap on June 04, 2019 Rating: 5

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