GHSA-5xf4-f2fq-f69j
Yarn Improper link resolution before file access (Link Following)
At a glance
- Published
- Updated
- CVE
- CVE-2019-10773
- Aliases
- SNYK-JS-YARN-537806,
- CVSS_V3
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
Affected packages
| Package | Versions |
|---|---|
| npm · yarn | introduced 0, fixed 1.22.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-10773 ADVISORY
- https://github.com/yarnpkg/yarn/issues/7761#issuecomment-565493023 WEB
- https://github.com/yarnpkg/yarn/pull/7755 WEB
- https://github.com/yarnpkg/yarn/commit/039bafd74b7b1a88a53a54f8fa6fa872615e90e7 WEB
- https://access.redhat.com/errata/RHSA-2020:0475 WEB
- https://blog.daniel-ruf.de/critical-design-flaw-npm-pnpm-yarn WEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HIZW4NZVV5QY5WWGW2JRP3FHYKZ6ZJ5 WEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ITY5BC63CCC647DFNUQRQ5AJDKUKUNBI WEB
- https://snyk.io/vuln/SNYK-JS-YARN-537806, WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |