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HIGH8.2

GHSA-pwfr-8pq7-x9qv

Unauthenticated Denial of Service in the octokit/webhooks library

Quick fix

GHSA-pwfr-8pq7-x9qv — @octokit/webhooks: upgrade to the fixed version with the command below.

npm install @octokit/webhooks@9.26.3

Details

### Impact Versions [v9.26.0](https://github.com/octokit/webhooks.js/releases/tag/v9.26.0), [v10.9.x](https://github.com/octokit/webhooks.js/releases/tag/v10.9.1)), [v11.1.x](https://github.com/octokit/webhooks.js/releases/tag/v11.1.1), [v12.0.x](https://github.com/octokit/webhooks.js/releases/tag/v12.0.3) all contained the code that would throw the error.

Specifically, during a pentest we encountered a bug in the octokit/webhooks library (a dependency of Probot, a framework for building Github Apps). The resulting request was found to cause an uncaught exception that ends the nodejs process.

The problem is caused by an issue with error handling in the @octokit/webhooks library because the error can be undefined in some cases.

Credit goes to @pb82 (for the early analysis) and @rh-tguittet (for discovery).

### Patches

Maintenance releases for the Error being thrown by the verify method in [octokit/webhooks.js](https://github.com/octokit/webhooks.js) * v12 - [v12.0.4](https://github.com/octokit/webhooks.js/releases/tag/v12.0.4) * v11 - [v11.1.2](https://github.com/octokit/webhooks.js/releases/tag/v11.1.2) * v10 -[v10.9.2](https://github.com/octokit/webhooks.js/releases/tag/v10.9.2) * v9 - [v9.26.3](https://github.com/octokit/webhooks.js/releases/tag/v9.26.3)

Maintenance release for the reference for [octokit/webhooks.js](https://github.com/octokit/webhooks.js) in [app.js](https://github.com/octokit/app.js) * [v14.0.2](https://github.com/octokit/app.js/releases/tag/v14.0.2)

Maintenance release for the reference for [octokit/webhooks.js](https://github.com/octokit/webhooks.js) in [octokit.js](https://github.com/octokit/octokit.js) * [v3.1.2](https://github.com/octokit/octokit.js/releases/tag/v3.1.2)

Maintenance release for the reference for [octokit/webhooks.js](https://github.com/octokit/webhooks.js) in [Protobot](https://github.com/probot/probot) * [v12.3.3](https://github.com/probot/probot/releases/tag/v12.3.3)

### Workarounds It is recommend that all users upgrade to the latest version of [octokit/webhooks.js](https://github.com/octokit/webhooks.js) or use one of the updated back ported versions.

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/@octokit/webhooks
Introduced in: 0Fixed in: 9.26.3
Fixnpm install @octokit/webhooks@9.26.3
npm/@octokit/webhooks
Introduced in: 10.0.0Fixed in: 10.9.2
Fixnpm install @octokit/webhooks@10.9.2
npm/@octokit/webhooks
Introduced in: 11.0.0Fixed in: 11.1.2
Fixnpm install @octokit/webhooks@11.1.2
npm/@octokit/webhooks
Introduced in: 12.0.0Fixed in: 12.0.3
Fixnpm install @octokit/webhooks@12.0.3
npm/@octokit/app
Introduced in: 14.0.1Fixed in: 14.0.2
Fixnpm install @octokit/app@14.0.2
npm/octokit
Introduced in: 0Fixed in: 3.1.2
Fixnpm install octokit@3.1.2
npm/probot
Introduced in: 0Fixed in: 12.3.3
Fixnpm install probot@12.3.3

References