Thruk is a multibackend monitoring webinterface. Prior to 3.12, the Thruk web monitoring application presents a vulnerability in a file upload form that allows a threat actor to arbitrarily upload files to the server to any path they desire and have permissions for. This vulnerability is known as Path Traversal or Directory Traversal. Version 3.12 fixes the issue.
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/sni/Thruk/security/advisories/GHSA-4mrh-mx7x-rqjx | patch vendor advisory exploit |
https://github.com/sni/Thruk/commit/1aa9597cdf2722a69651124f68cbb449be12cc39 | patch |