Open source software has proven to have many benefits for enterprises as well as developers, however, they also pose significant risks as they are prone to a number of open source vulnerabilities. These are particularly related to application security.
A number of developer teams rely largely on open source software to quicken the delivery of digital innovation. Traditional, as well as agile development processes and workflows, often make use of per-built and reusable open source software components.
However, the problem lies in the fact that most open source software is often not subject to the same level of checks as compared to software that is custom built. Most of the development work is crowd-sourced to a large community of developers who often have little understanding of the security concerns that may arise based on the organization’s use of the software.
Listed below are some of the popular tools and their USPs that might help you manage vulnerability in open source software.
The NSP is known largely for its work on tracking security of Node modules and NPM dependencies. The project offers tools that scan and finds vulnerabilities using some public vulnerability databases like NIST National Vulnerability Database as well as its own, inbuilt database. The project was recently acquired by npm and integrated into the latest version of npm in the form of npm audit. It is a script to check whether any public vulnerability has been found in your packages and node modules.
npm audit automatically checks for issues in your for direct dependencies, bundle dependencies and development dependencies. When you install a new package or update an existing one, it shows a brief summary of the issues found in your local dependencies. You can also use the tool to generate security reports for JavaScript projects.
OSSIndex is a repository of software information that focuses on vulnerability issues. It extracts its information from NPM, Nuget, Maven Central Repository, Bower, Chocolatey, and MSI. Along with its own database that leverages the NIST NVD, it also pulls vulnerability information from mailing lists and various other sources.
OSSIndex effectively covers JavaScript, .NET/C#, and Java ecosystems. It offers a REST API endpoint so that developer can build an inhouse application to check for vulnerability issues.
Dependency-check is an open source command line tool from OWASP. It can be used as a stand-alone tool or as part of a package of inbuilt tools. Dependency-check supports Java, .NET, JavaScript as well as Ruby. It pulls its vulnerability information from the NIST NVD. Lots of plugins to to several IDEs, deployment systems, and source repositories are built on top of dependency-check.
Bundler-audit is an open source command line tools that checks for dependencies focused on Ruby Bundler. It retrieves its vulnerability information from the NIST NVD and RubySec, a Ruby vulnerability database.
Apart from open-source tools, there are commercial tools like: Hakiri, Snyk, WhiteSource, Gemnasium etc. Most of these tools provide dependency checks for a projects based on a wide-array of languages via static code analysis. Apart from that, they also offers free plans for publicly accessible open source projects and paid plans for private projects. In addition to offering tools to identify known vulnerabilities, commercial tools also assists developers to fix these issues with guided upgrades and open source patches.
In case you come across a vulnerability in the open source software, it is a good practice to inform the software developer of the vulnerability in the package. If the software has an active developer community, this often results in a prompt response and a quick fix. In case the software package in question is not being actively developed at the time, you are left with one of the three following options
Patching the library and giving it back to the community is probably the best option of the three. Anyone using the library will benefit from it and you can expect more community members to join in. Apart from that, being popular in the open-source circles will help your company build reputation which is always a good thing.
Automating some of the tasks and integrating additional layers of security can prevent you from having vulnerable dependencies in the first place. Let’s have a look at the best practices to integrate security compliance practices.
Address Internal Threats – Written policy is something that is good to have in place and supports an IT culture of better security, it is important to complement this with employee training and awareness. Encouraging an atmosphere of ‘see something, say something’ is a helpful way of ensuring each employee in an organization plays a part in ensuring security and compliance.
Probably the most comprehensive way of improving the security of the open source software your organization uses is to test the security of each open source code. Open source analysis is almost as important as proprietary code, because not only could the code have unknown security vulnerabilities, its dependencies and functions may differ between each use case. Therefore, a component that may be secure in one application may be insecure when used in a different application.
Build gate checks, constraints and validations for your components and dependencies so that some of the milder vulnerabilities in your dependencies won’t have an impact on your application. Security testing and code review are the only sure ways to detect these issues.
Risks cannot be effectively addressed without keeping an eye out for accurate knowledge of your environment and threats. With access to comprehensive threat intelligence, an organization can understand and respond to negative challenges before a possible data breach because of a vulnerability. For instance, ensure that your organisation has taken measures to keep track of security updates for both direct and indirect dependencies in a timely manner. In addition to that, keep note of modern threats and whether any of those threats are capable of having an impact.
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