7.5

CVE-2020-8131

Exploit

Arbitrary filesystem write vulnerability in Yarn before 1.22.0 allows attackers to write to any path on the filesystem and potentially lead to arbitrary code execution by forcing the user to install a malicious package.

Data is provided by the National Vulnerability Database (NVD)
Yarnpkg ≫ Yarn Version <= 1.21.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.9% 0.748
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 1.6 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 5.1 4.9 6.4
AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

https://github.com/yarnpkg/yarn/pull/7831
Patch
Third Party Advisory
https://hackerone.com/reports/730239
Third Party Advisory
Exploit