GSLC · Question #258
In which of the following attacking methods does an attacker distribute incorrect IP address?
The correct answer is B. DNS poisoning. DNS poisoning (cache poisoning) is the technique where an attacker injects false DNS records, causing resolvers to return incorrect IP addresses for domain names.
Question
In which of the following attacking methods does an attacker distribute incorrect IP address?
Options
- AMac flooding
- BDNS poisoning
- CIP spoofing
- DMan-in-the-middle
How the community answered
(28 responses)- A4% (1)
- B93% (26)
- C4% (1)
Why each option
DNS poisoning (cache poisoning) is the technique where an attacker injects false DNS records, causing resolvers to return incorrect IP addresses for domain names.
MAC flooding overwhelms a switch's CAM table with fake MAC addresses to force it into hub mode, enabling sniffing; it does not involve distributing incorrect IP addresses.
In DNS cache poisoning, an attacker corrupts a DNS resolver's cache by supplying fraudulent resource records that map legitimate domain names to attacker-controlled IP addresses. When clients query the poisoned resolver they receive the incorrect IP, redirecting their traffic without any indication that the mapping is false.
IP spoofing falsifies the source IP address field in a packet header to impersonate another host; it does not distribute or alter IP-to-domain mappings for other clients.
A man-in-the-middle attack intercepts and potentially modifies traffic between two parties in transit; it is a broader category and does not specifically involve injecting false IP records into a naming system.
Concept tested: DNS cache poisoning and incorrect IP distribution
Source: https://www.cisa.gov/news-events/alerts/2008/07/08/multiple-dns-implementations-vulnerable-cache-poisoning
Topics
Community Discussion
No community discussion yet for this question.