CVE-2019-10773
Yarn Improper link resolution before file access (Link Following)
7.8
HIGH
CVSS 3.1
EPSS 0.55%
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.
How to fix CVE-2019-10773
To remediate CVE-2019-10773, upgrade the affected package to a fixed version below.
- —upgrade to 1.21.1-1 or later
- —upgrade to 1.22.0 or later
Is CVE-2019-10773 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.21.1-1
- from 0, < 1.22.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |