Domain Dns Hijacking
Dnspooq flaws allow dns hijacking of millions of devices.
Domain dns hijacking. In this blog post we will use the definition adopted by the uk national cyber security centre ncsc that states dns hijacking refers to the unauthorised alteration of dns entries. For example the cctld of the former soviet union su has been hijacked by cybercriminals in the past and the lenovo and google websites for vietnam vn also fell prey to dns hijacking in 2015. Domain name server dns hijacking also named dns redirection is a type of dns attack in which dns queries are incorrectly resolved in order to unexpectedly redirect users to malicious sites.
Flaws is a high severity issue that could potentially enable remote code execution when dnsmasq is configured to use domain name system. When browsing the internet the requests to visit websites or make searches are sent to a domain name server dns which will direct the user traffic to the website requested. What we can do is learn from publicized cases of dns hijacking and not allow ourselves to be victims of malicious actors.
Attackers will always find new ways to compromise your data and gain access to your network and devices. This can be achieved by malware that overrides a computer s tcp ip configuration to point at a rogue dns server under the control of an attacker or through modifying the behaviour of a trusted dns server so that it does not comply with internet standards. Dns hijacking dns poisoning or dns redirection is the practice of subverting the resolution of domain name system queries.
Dns hijacking takes advantage of how the domain name system functions as the internet s phone book or more accurately a series of phone books that a browser checks with each book telling a. This can be devastating to the original domain name holder not only financially as they may have derived commercial income from a website hosted at the domain or conducted business through that domain s e mail accounts but also in terms of readership and or audience for non profit. Dns hijacking is the term given when an attacker intercepts the traffic being requested from a dns and redirects it to another website often with malicious intent.
Dns hijacking is something that resurfaces every few years after nearly facing extinction. Domain name hijacking is devastating to the original domain name owner s business with wide ranging effects including. Dns hijacking involving the tld of an entire country is rare but not unheard of.
Domain hijacking is the act of changing the registration of a domain name without the permission of the original owner or by abuse of privileges on domain hosting and domain registrar systems. Domain hijacking or domain theft is the act of changing the registration of a domain name without the permission of its original registrant or by abuse of privileges on domain hosting and registrar software systems.