Kubernetes Bug Bounty Program Officially Launched For All Researchers

A bug bounty for an open source infrastructure tool is rare. Given that there are more than 100 certified distributions of Kubernetes, the bug bounty program needs to apply to the Kubernetes code that powers all of them. HackerOne had its team pass the Certified Kubernetes Administrator exam to help members understand how to test the validity of a reported bug.

Kubernetes Bug Bounty Program Officially Launched for All Researchers

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The bug bounty scope covers code from the main Kubernetes organizations on GitHub, as well as continuous integration, release, and documentation artifacts. The CNCF is particularly interested in cluster attacks, such as privilege escalations, authentication bugs, and remote code execution in the kubelet or API server. The same goes for any information leak about a workload, or unexpected permission changes. Security researchers are also encouraged to look at the Kubernetes supply chain, including the build and release processes, which would allow any unauthorized access to commits, or the ability to publish unauthorized artifacts.

We aimed to set up this bug bounty program as transparently as possible, with an initial proposal, evaluation of vendors, and working draft of the components in scope. Once we onboarded the selected bug bounty program vendor, HackerOne, these documents were further refined based on the feedback from HackerOne, as well as what was learned in the recent Kubernetes security audit. The bug bounty program has been in a private release for several months now, with invited researchers able to submit bugs and help us test the triage process. After almost two years since the initial proposal, the program is now ready for all security researchers to contribute!

Notably out of scope is the community management tooling, e.g., the Kubernetes mailing lists or Slack channel. Container escapes, attacks on the Linux kernel, or other dependencies, such as etcd, are also out of scope and should be reported to the appropriate party. We would still appreciate that any Kubernetes vulnerability, even if not in scope for the bug bounty, be disclosed privately to the Kubernetes Product Security Committee. See the full scope on the program reporting page.

With our bug bounty program, initial triage and initial assessment are handled by the bug bounty provider, in this case, HackerOne, enabling us better scale our limited Kubernetes security experts to handle only valid reports. Nothing else in this process is changing - the Product Security Committee will continue to develop fixes, build private patches, and coordinate special security releases. New releases with security patches will be announced at kubernetes-security-announce@googlegroups.com.

Just as many organizations support open source by hiring developers, paying bug bounties directly supports security researchers. This bug bounty is a critical step for Kubernetes to build up its community of security researchers and reward their hard work.

The bug bounty program is yet another sign that hacker groups are increasingly functioning as legitimate IT enterprises, incorporating HR departments, regular feature releases, and even bonuses for solving challenging problems.

A proven solution to these challenges is to utilize ethical hacker communities in addition to a standard penetration test. Businesses can rely on the power of these crowds to assist them in their security testing on a continuous basis. A bug bounty program is one of the most common ways to work with ethical hacker communities.

Bug bounty programs allow businesses to proactively work with independent security researchers to report bugs through incentivization. Often companies will launch and manage their program through a bug bounty platform, such as Intigriti.

Organizations with high-security maturity may leave their bug bounty program open for all ethical hackers in the platform's community to contribute to (known as a public program.) However, most businesses begin by working with a smaller pool of security talent through a private program.

While you'll receive a certificate to say you're secure at the end of a penetration test, it won't necessarily mean that's still the case the next time you make an update. This is where bug bounty programs work well as a follow-up to pentests and enable a continuous security testing program.

Intigriti is the leading European-based platform for bug bounty and ethical hacking. The platform enables organizations to reduce the risk of a cyberattack by allowing Intigriti's network of security researchers to test their digital assets for vulnerabilities continuously. 2ff7e9595c