CVE-2019-10773

Description

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.

References

https://snyk.io/vuln/SNYK-JS-YARN-537806%2C

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://github.com/yarnpkg/yarn/issues/7761#issuecomment-565493023

https://github.com/yarnpkg/yarn/commit/039bafd74b7b1a88a53a54f8fa6fa872615e90e7

https://blog.daniel-ruf.de/critical-design-flaw-npm-pnpm-yarn/

https://access.redhat.com/errata/RHSA-2020:0475

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3