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Sårbarheter i routrar och switchar
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (CCSlab)
2008 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Det finns många olika källor där man kan få information om sårbarheter i routrar och switchar. Mängden information gör det dock svårt att på ett enkelt sätt ta reda på vilka tillverkare som drabbas och vilken typ av sårbarheter man hittar i nätverksutrustning. Därmed är det också svårt att veta hur man ska skydda sin utrustning mot attacker.

I detta examensarbete analyseras ett antal befintliga sårbarheter i routrar och switchar. Dessa sårbarheter har valts ut genom att i National Vulnerability Database söka på orden ”router” och ”switch”. Målet med analysen är att svara på frågorna vem, vad och varför när det gäller sårbarheter i routrar och switchar.

Examensarbetet beskriver vilka tillverkare som drabbas av sårbarheter, vilka typer av sårbarheter som är vanligast i routrar och switchar och varför sårbarheterna har uppstått. Utifrån detta dras slutsatser om vad man som användare ska göra för att undvika attacker mot sin utrustning. I arbetet beskrivs också hur tillverkarna väljer att hantera de sårbarheter som finns i deras produkter.

Abstract [en]

There are a lot of different sources to information about vulnerabilities in routers and switches. The amount of information means that there is no easy way to find out which vendors are affected by vulnerabilities and what types of vulnerabilities that are found in network equipment. Thereby it is also hard to know how to protect your equipment against attacks.

In this thesis a number of already existing vulnerabilities in router and switches are being analyzed. These vulnerabilities have been chosen by searching the National Vulnerability Database using the words “router” and “switch”. The aim of the analysis is to answer the questions who, what and why when it comes to vulnerabilities in routers and switches. The thesis describes which vendors are exposed to vulnerabilities, what types of vulnerabilities that are most common among routers and switches and why these vulnerabilities have came up. Based on this information, conclusions are drawn regarding what the user should do to avoid vulnerabilities in their equipment. The way the companies deal with vulnerabilities in their products is also described.

Place, publisher, year, edition, pages
2008. , 33 p.
Trita-ICT-COS, ISSN 1653-6347 ; COS/CCS 2008-03
Keyword [sv]
Sårbarhet, Router, Switch, Cisco, Netgear, Linksys, D-Link, Nätverksutrustning, Protokoll, Patchar
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-91870OAI: diva2:511457
Subject / course
Computer Networks
Educational program
Bachelor of Science in Engineering - Computer Engineering
2008-03-03, Seminar room Grimeton, Isafjordsgatan 22, Kista, 15:00 (English)
Available from: 2012-03-23 Created: 2012-03-21 Last updated: 2013-09-09Bibliographically approved

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