CVE-2022-31573: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

July 12, 2022 (updated July 25, 2022)

The chainer/chainerrl-visualizer repository through 0.1.1 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.

References

github.com/advisories/GHSA-687h-86vc-5x59
github.com/github/securitylab/issues/669
nvd.nist.gov/vuln/detail/CVE-2022-31573

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