A vulnerability was found in 云课网络科技有限公司 Yunke Online School System up to 3.0.6. It has been declared as problematic. This vulnerability affects the function downfile of the file application/admin/controller/Appadmin.php. The manipulation of the argument url leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
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://vuldb.com/?id.277216 | vdb entry technical description |
https://vuldb.com/?ctiid.277216 | signature permissions required |
https://vuldb.com/?submit.402917 | third party advisory |
https://wiki.shikangsi.com/post/share/1200e7c6-4514-44e3-980c-298e0b9ccade | broken link exploit |