CVE-2022-41418: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

December 19, 2022 (updated December 28, 2022)

An issue in the component BlogEngine/BlogEngine.NET/AppCode/Api/UploadController.cs of BlogEngine.NET v3.3.8.0 allows attackers to execute arbitrary code via uploading a crafted PNG file.

References

gist.github.com/tree-chtsec/22a0a531ea188fd5b76fe11d32f41e95
gist.github.com/tree-chtsec/a02258bb6dea0d16e7e631898c066e05
github.com/BlogEngine/BlogEngine.NET/commit/7f927567db94462ffd37e128c0a53c11c1f81a8d
nvd.nist.gov/vuln/detail/CVE-2022-41418

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