A flaw was found in LemMinX in versions prior to 0.19.0. Cache poisoning of external schema files due to directory traversal.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Link | Tags |
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https://github.com/eclipse/lemminx/blob/master/CHANGELOG.md#0190-february-14-2022 | third party advisory release notes |