The Study on the Vulnerabilities of Operating System

    Date11 Nov 2002
    3087
    Posted ByAnthony Pell
    Which Operating System have more vulnerabilities out of the box? Are they more secure after the latest patches? Do the latest patches add vulnerabilities? We wanted to see how much the OS patches released really help and to see which OS . . . Which Operating System have more vulnerabilities out of the box? Are they more secure after the latest patches? Do the latest patches add vulnerabilities? We wanted to see how much the OS patches released really help and to see which OS is more secure "Out of the Box". So we picked several of the more popular Operating Systems and put them to the test. In this study, we will use Nmap version 2.54BETA 22 and Nessus 1.0.9 to scan Operating Systems installed with default options and no additional patches or configurations. Then we will scan them with the latest Security Packs and Cluster Patches and compare the scans to learn what security means to the vendors of the Operating Systems and the security scanners we use today.

    Nessus is a software package that performs Security Scanning of Operating Systems (OS) and networks. It is a free product and is very popular in the Security Industry. Many security professionals use it today to scan their systems looking for common vulnerabilities and companies like Enterasys are incorporating Nessus scanning into their Intrusion Detection products like Dragon and Squire.

    Nessus will allow you to save the information it has discovered in several formats, including but not limited to: XML, HTML, Text, and etc. We provide you with the HTML format with a small paragraph at the beginning of the scan to introduce the scan. In the beginning of the scan results, you will see a reference to the following: Security holes, Security Notes, and Security Warnings. We could not find a definition of any of these in the MAN pages or on their site, so we emailed Renaud Deraison, one of the developers of NESSUS and asked for his definitions of the three. He responded with:

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