Description (CNA)
In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem by using specially crafted "bin" keys. Existing files could be overwritten depending on the current user permission set.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / Yarn | affected All versions prior to version 1.21.1 |
CWE
No CWE identifiers supplied.
References
- https://snyk.io/vuln/SNYK-JS-YARN-537806%2C
- https://github.com/yarnpkg/yarn/commit/039bafd74b7b1a88a53a54f8fa6fa872615e90e7
- https://github.com/yarnpkg/yarn/issues/7761#issuecomment-565493023
- https://blog.daniel-ruf.de/critical-design-flaw-npm-pnpm-yarn/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITY5BC63CCC647DFNUQRQ5AJDKUKUNBI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HIZW4NZVV5QY5WWGW2JRP3FHYKZ6ZJ5/
- https://access.redhat.com/errata/RHSA-2020:0475
ADP enrichment
No English description supplied.
- https://snyk.io/vuln/SNYK-JS-YARN-537806%2C
- https://github.com/yarnpkg/yarn/commit/039bafd74b7b1a88a53a54f8fa6fa872615e90e7
- https://github.com/yarnpkg/yarn/issues/7761#issuecomment-565493023
- https://blog.daniel-ruf.de/critical-design-flaw-npm-pnpm-yarn/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITY5BC63CCC647DFNUQRQ5AJDKUKUNBI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HIZW4NZVV5QY5WWGW2JRP3FHYKZ6ZJ5/
- https://access.redhat.com/errata/RHSA-2020:0475