CVE-2017-5946: Directory traversal vulnerability

February 27, 2017 (updated November 4, 2017)

The Zip::File component in the rubyzip gem for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses ../ pathname substrings to write arbitrary files to the filesystem.

References

github.com/rubyzip/rubyzip/issues/315
nvd.nist.gov/vuln/detail/CVE-2017-5946

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