CVE-2019-10773: Improper Link Resolution Before File Access

December 16, 2019 (updated December 27, 2019)

In Yarn, 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

nvd.nist.gov/vuln/detail/CVE-2019-10773

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