An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1:8080/ connection from any origin.
Advisories
Source ID Title
EUVD EUVD EUVD-2019-0183 An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1:8080/ connection from any origin.
Github GHSA Github GHSA GHSA-cf66-xwfp-gvc4 Missing Origin Validation in webpack-dev-server
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T09:38:13.243Z

Reserved: 2018-07-28T00:00:00

Link: CVE-2018-14732

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-09-21T17:29:05.373

Modified: 2024-11-21T03:49:41.723

Link: CVE-2018-14732

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.