CVE-2019-13173: Arbitrary file overwrite

July 2, 2019 (updated August 13, 2019)

fstream is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system’s file with the contents of the extracted file. The fstream.DirWriter() function is vulnerable.

References

nvd.nist.gov/vuln/detail/CVE-2019-13173
www.npmjs.com/advisories/886

Code Behaviors & Features

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