CVE-2024-39912: The FIDO2/Webauthn Support for PHP library allows enumeration of valid usernames

CVE-2024-39912 · Severity: low · CVSS 3.1 · Published 2024-07-15

The FIDO2/Webauthn Support for PHP library allows enumeration of valid usernames

Technologies: web-auth/webauthn-framework (Packagist), web-auth/webauthn-lib (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2024-39912 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-39912 being exploited in the wild.
How severe is CVE-2024-39912?
Low severity, with a CVSS score of 3.1, published 15 July 2024.
Which products and versions are affected?
web-auth/webauthn-framework (Packagist) ECOSYSTEM:introduced=4.5.0,fixed=4.9.0; web-auth/webauthn-lib (Packagist) ECOSYSTEM:introduced=4.5.0,fixed=4.9.0.
Is there a fix for CVE-2024-39912?
Yes. web-auth/webauthn-framework (Packagist): upgrade to 4.9.0 or later; web-auth/webauthn-lib (Packagist): upgrade to 4.9.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2024-39912?
Check whether you run web-auth/webauthn-framework (Packagist) or web-auth/webauthn-lib (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • web-auth/webauthn-framework (Packagist): upgrade to 4.9.0 or later
    composer require web-auth/webauthn-framework:^4.9.0
  • web-auth/webauthn-lib (Packagist): upgrade to 4.9.0 or later
    composer require web-auth/webauthn-lib:^4.9.0

Affected products

  • web-auth/webauthn-framework (Packagist) ECOSYSTEM:introduced=4.5.0,fixed=4.9.0
  • web-auth/webauthn-lib (Packagist) ECOSYSTEM:introduced=4.5.0,fixed=4.9.0

Identifiers

  • CVE-2024-39912
  • GHSA-875x-g8p7-5w27

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.