Webpack 5 before 5.76.0 does not avoid cross-realm object access. ImportParserPlugin.js mishandles the magic comment feature. An attacker who controls a property of an untrusted object can obtain access to the real global object.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Webpack | Webpack.js | 5.0.0 (including) | 5.76.0 (excluding) |
| OpenShift-Pipelines-1.10-RHEL-8 | RedHat | openshift-pipelines/pipelines-hub-ui-rhel8:v1.10.5-2 | * |
| Red Hat Enterprise Linux 9 | RedHat | pcs-0:0.11.3-4.el9_1.3 | * |
| Node-webpack | Ubuntu | bionic | * |
| Node-webpack | Ubuntu | focal | * |
| Node-webpack | Ubuntu | kinetic | * |
| Node-webpack | Ubuntu | lunar | * |
| Node-webpack | Ubuntu | mantic | * |
| Node-webpack | Ubuntu | oracular | * |
| Node-webpack | Ubuntu | plucky | * |
| Node-webpack | Ubuntu | trusty | * |
| Node-webpack | Ubuntu | xenial | * |
References
- https://github.com/webpack/webpack/compare/v5.75.0...v5.76.0
- https://github.com/webpack/webpack/pull/16500
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AU7BOXTBK3KDYSWH67ASZ22TUIOZ3X5G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PPSAXUTXBCCTAHTCX5BUR4YVP25XALQ3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2AFCM6FFE3LRYI6KNEQWKMXMQOBZQ2D/
- https://github.com/webpack/webpack/compare/v5.75.0...v5.76.0
- https://github.com/webpack/webpack/pull/16500
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AU7BOXTBK3KDYSWH67ASZ22TUIOZ3X5G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PPSAXUTXBCCTAHTCX5BUR4YVP25XALQ3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2AFCM6FFE3LRYI6KNEQWKMXMQOBZQ2D/