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Awesome Open Source

Vuls: VULnerability Scanner

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Vulnerability scanner for Linux/FreeBSD, agent-less, written in Go. We have a slack team. Join slack team Twitter: @vuls_en

Vuls-Abstract

Vulsrepo

asciicast

Vuls-slack


Abstract

For a system administrator, having to perform security vulnerability analysis and software update on a daily basis can be a burden. To avoid downtime in a production environment, it is common for a system administrator to choose not to use the automatic update option provided by the package manager and to perform update manually. This leads to the following problems.

  • The system administrator will have to constantly watch out for any new vulnerabilities in NVD (National Vulnerability Database) or similar databases.
  • It might be impossible for the system administrator to monitor all the software if there are a large number of software packages installed in the server.
  • It is expensive to perform analysis to determine the servers affected by new vulnerabilities. The possibility of overlooking a server or two during analysis is there.

Vuls is a tool created to solve the problems listed above. It has the following characteristics.

  • Informs users of the vulnerabilities that are related to the system.
  • Informs users of the servers that are affected.
  • Vulnerability detection is done automatically to prevent any oversight.
  • A report is generated on a regular basis using CRON or other methods. to manage vulnerability.

Vuls-Motivation


Main Features

Scan for any vulnerabilities in Linux/FreeBSD Server

Supports major Linux/FreeBSD

  • Alpine, Amazon Linux, CentOS, Debian, Oracle Linux, Raspbian, RHEL, SUSE Enterprise Linux, and Ubuntu
  • FreeBSD
  • Cloud, on-premise, Running Docker Container

High-quality scan

Scan mode

Fast Scan

  • Scan without root privilege, no dependencies
  • Almost no load on the scan target server
  • Offline mode scan with no internet access. (CentOS, Debian, Oracle Linux, Red Hat, and Ubuntu)

Fast Root Scan

  • Scan with root privilege
  • Almost no load on the scan target server
  • Detect processes affected by update using yum-ps (Amazon Linux, CentOS, Oracle Linux, and RedHat)
  • Detect processes which updated before but not restarting yet using checkrestart of debian-goodies (Debian and Ubuntu)
  • Offline mode scan with no internet access. (CentOS, Debian, Oracle Linux, Red Hat, and Ubuntu)

Remote, Local scan mode, Server mode

Remote scan mode

  • User is required to only set up one machine that is connected to other target servers via SSH

Local scan mode

  • If you don't want the central Vuls server to connect to each server by SSH, you can use Vuls in the Local Scan mode.

Server mode

  • First, start Vuls in server mode and listen as an HTTP server.
  • Next, issue a command on the scan target server to collect software information. Then send the result to Vuls Server via HTTP. You receive the scan results as JSON format.
  • No SSH needed, No Scanner needed. Only issuing Linux commands directory on the scan target server.

Dynamic Analysis

  • It is possible to acquire the state of the server by connecting via SSH and executing the command.
  • Vuls warns when the scan target server was updated the kernel etc. but not restarting it.

Scan vulnerabilities of non-OS-packages

  • Libraries of programming language
  • Self-compiled software
  • Network Devices

Vuls has some options to detect the vulnerabilities

Scan WordPress core, themes, plugins

MISC

  • Nondestructive testing
  • Pre-authorization is NOT necessary before scanning on AWS
    • Vuls works well with Continuous Integration since tests can be run every day. This allows you to find vulnerabilities very quickly.
  • Auto-generation of configuration file template
    • Auto-detection of servers set using CIDR, generate configuration file template
  • Email and Slack notification is possible (supports Japanese language)
  • Scan result is viewable on accessory software, TUI Viewer in a terminal or Web UI (VulsRepo).

What Vuls Doesn't Do

  • Vuls doesn't update the vulnerable packages.

Document

For more information such as Installation, Tutorial, Usage, visit vuls.io
日本語翻訳ドキュメント


Authors

kotakanbe (@kotakanbe) created vuls and these fine people have contributed.

Contribute

see vulsdoc


Stargazers over time

Stargazers over time

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License

Please see LICENSE.


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