CVE-2022-24977: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

February 15, 2022 (updated February 26, 2022)

ImpressCMS before 1.4.2 allows unauthenticated remote code execution via …../// directory traversal in origName or imageName, leading to unsafe interaction with the CKEditor processImage.php script. The payload may be placed in PHP_SESSION_UPLOAD_PROGRESS when the PHP installation supports upload_progress.

References

github.com/ImpressCMS/impresscms/commit/a66d7bb499faafab803e24833606028fa0ba4261
github.com/ImpressCMS/impresscms/compare/1.4.1...v1.4.2
github.com/advisories/GHSA-389p-fchr-q2mg
nvd.nist.gov/vuln/detail/CVE-2022-24977
r0.haxors.org/posts?id=8

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