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GHSA-x2mc-8fgj-3wmr

Improper Input Validation in tar-fs

Source: GitHub Advisory Database (reviewed) High CVE-2018-20835

Packages

EcosystemPackageAffectedFixed in
npm tar-fs < 1.16.2 1.16.2

Details

As written in the advisory (Markdown source, shown as plain text).

A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content.

References

External links from the advisory. They lead to third-party sites.