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A Simple and Comprehensive Vulnerability Scanner for Containers and other Artifacts, Suitable for CI.

Abstract

Trivy (tri pronounced like trigger, vy pronounced like envy) is a simple and comprehensive vulnerability scanner for containers and other artifacts. A software vulnerability is a glitch, flaw, or weakness present in the software or in an Operating System. Trivy detects vulnerabilities of OS packages (Alpine, RHEL, CentOS, etc.) and application dependencies (Bundler, Composer, npm, yarn, etc.). Trivy is easy to use. Just install the binary and you're ready to scan. All you need to do for scanning is to specify a target such as an image name of the container.

Trivy can be run in two different modes:

Trivy can scan three different artifacts:

It is considered to be used in CI. Before pushing to a container registry or deploying your application, you can scan your local container image and other artifacts easily. See here for details.

Features

  • Detect comprehensive vulnerabilities
    • OS packages (Alpine, Red Hat Universal Base Image, Red Hat Enterprise Linux, CentOS, Oracle Linux, Debian, Ubuntu, Amazon Linux, openSUSE Leap, SUSE Enterprise Linux, Photon OS and Distroless)
    • Application dependencies (Bundler, Composer, Pipenv, Poetry, npm, yarn, Cargo, NuGet, Maven, and Go)
  • Simple
  • Fast
    • The first scan will finish within 10 seconds (depending on your network). Consequent scans will finish in single seconds.
    • Unlike other scanners that take long to fetch vulnerability information (~10 minutes) on the first run, and encourage you to maintain a durable vulnerability database, Trivy is stateless and requires no maintenance or preparation.
  • Easy installation
    • apt-get install, yum install and brew install is possible (See Installation)
    • No pre-requisites such as installation of DB, libraries, etc.
  • High accuracy
    • Especially Alpine Linux and RHEL/CentOS
    • Other OSes are also high
  • DevSecOps
    • Suitable for CI such as Travis CI, CircleCI, Jenkins, GitLab CI, etc.
    • See CI Example
  • Support multiple formats
    • container image
      • A local image in Docker Engine which is running as a daemon
      • A local image in Podman (>=2.0) which is exposing a socket
      • A remote image in Docker Registry such as Docker Hub, ECR, GCR and ACR
      • A tar archive stored in the docker save / podman save formatted file
      • An image directory compliant with OCI Image Format
    • local filesystem
    • remote git repository

Please see LICENSE for Trivy licensing information. Note that Trivy uses vulnerability information from a variety of sources, some of which are licensed for non-commercial use only.

Documentation

The official documentation, which provides detailed installation, configuration, and quick start guides, is available at https://aquasecurity.github.io/trivy/.

Installation

See here

Quick Start

Simply specify an image name (and a tag).

$ trivy image [YOUR_IMAGE_NAME]

For example:

$ trivy image python:3.4-alpine
Result
2019-05-16T01:20:43.180+0900    INFO    Updating vulnerability database...
2019-05-16T01:20:53.029+0900    INFO    Detecting Alpine vulnerabilities...

python:3.4-alpine3.9 (alpine 3.9.2)
===================================
Total: 1 (UNKNOWN: 0, LOW: 0, MEDIUM: 1, HIGH: 0, CRITICAL: 0)

+---------+------------------+----------+-------------------+---------------+--------------------------------+
| LIBRARY | VULNERABILITY ID | SEVERITY | INSTALLED VERSION | FIXED VERSION |             TITLE              |
+---------+------------------+----------+-------------------+---------------+--------------------------------+
| openssl | CVE-2019-1543    | MEDIUM   | 1.1.1a-r1         | 1.1.1b-r1     | openssl: ChaCha20-Poly1305     |
|         |                  |          |                   |               | with long nonces               |
+---------+------------------+----------+-------------------+---------------+--------------------------------+

Examples

See here

Continuous Integration (CI)

See here

Vulnerability Detection

See here

Usage

See here

Author

Teppei Fukuda (knqyf263)


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