Provedba napada tipa KRACK u bežičnim lokalnim mrežama

undergraduate thesis

• Title (english): Implementation of KRACK attack in wireless local area networks
• Author: Robert Adžaga
• Mentor: Željko Ilić (mentor)
• Committee member: Željko Ilić (predsjednik povjerenstva)
• Committee member: Matija Džanko (član povjerenstva)
• Committee member: Matija Šulc (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2018-07-13, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Computing

Abstract

U ovom radu opisani su i objašnjeni principi rada protokola korištenih unutar bežičnih lokalnih mreža. Vremenom, implementacijom tih protokola otkrivene su brojne ranjivosti koje su omogućavale maliciozne napade na korisnike bežičnih lokalnih mreža. Poseban je naglasak na posljednjoj u nizu otkrivenih ranjivosti protokola WPA2, i KRACK napadima koji su proizašli iz nje, a koji iskorištavaju lošu implementaciju rukovanja za vrijeme autentikacije klijenta i AP-a. Provedeno je testiranje ranjivosti uređaja na različite varijacije napada. S obzirom na to da je KRACK napad metoda zaobilaženja WPA2 zaštite, prikazana je provedba različitih napada nad korisnicima koji se provode prije ili nakon KRACK napada.

Abstract (english)

This paper describes and explains the principles of protocols used within wireless local area networks. Over time, the implementation of these protocols revealed numerous vulnerabilities that enabled malicious attacks on wireless local area network users. Special emphasis is given to the last in a series of detected WPA2 vulnerabilities, that resulted in KRACK attacks, which exploit poor implementation of handshake during client and AP authentication. Vulnerability testing of the device was performed on different variations of the attack. Given that the KRACK attack is a method of circumventing WPA2 protection, implementation of various attacks on users that are being conducted before or after a KRACK attack is shown.

• Keywords: bežične lokalne mreže; WPA2; implementacija protokola; KRACK; napad; ranjivost; sigurnost; enkripcija
• Keywords (english): wireless local area networks; WPA2; implementation of protocols; KRACK; attack; vulnerability; security; encryption
• Language: croatian
• URN:NBN: urn:nbn:hr:168:524374
• Study programme: Title: Computing; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2019-03-13 18:34:05