CVE-2023-50728 — octokit/webhooks is a GitHub webhook events toolset for Node

octokit/webhooks is a GitHub webhook events toolset for Node.js. Starting in 9.26.0 and prior to 9.26.3, 10.9.2, 11.1.2, and 12.0.4, there is a problem caused by an issue with error handling in the @octokit/webhooks library because the error can be undefined in some cases. The re

01What is this vulnerability?

octokit/webhooks is a GitHub webhook events toolset for Node.js. Starting in 9.26.0 and prior to 9.26.3, 10.9.2, 11.1.2, and 12.0.4, there is a problem caused by an issue with error handling in the @octokit/webhooks library because the error can be undefined in some cases. The resulting request was found to cause an uncaught exception that ends the nodejs process. The bug is fixed in…

02Affected products

Vendor	Product	Versions
octokit	webhooks.js	>= 9.26.0, < 9.26.3, >= 10.9.0, < 10.9.2, >= 11.1.0, < 11.1.2, >= 12.0.0, < 12.0.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-15T21:59:00.312Z
• Last modified: 2024-08-02T22:16:47.284Z

09References

• github.com — https://github.com/octokit/webhooks.js/security/advisories/GHSA-pwfr-8pq7-x9qv
• github.com — https://github.com/octokit/app.js/releases/tag/v14.0.2
• github.com — https://github.com/octokit/octokit.js/releases/tag/v3.1.2
• github.com — https://github.com/octokit/webhooks.js/releases/tag/v10.9.2
• github.com — https://github.com/octokit/webhooks.js/releases/tag/v11.1.2
• github.com — https://github.com/octokit/webhooks.js/releases/tag/v12.0.4
• github.com — https://github.com/octokit/webhooks.js/releases/tag/v9.26.3
• github.com — https://github.com/probot/probot/releases/tag/v12.3.3