A vulnerability has been found in Shanghai Lingdang Information Technology Lingdang CRM up to 8.6.0.0 and classified as problematic. This vulnerability affects unknown code of the file /crm/weixinmp/index.php?userid=123&module=Users&usid=1&action=UsersAjax&minipro_const_type=1&related_module=Singin. The manipulation of the argument pathfile leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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 |
|---|---|
| https://vuldb.com/?id.291478 | vdb entry technical description |
| https://vuldb.com/?ctiid.291478 | signature permissions required |
| https://vuldb.com/?submit.474252 | third party advisory |
| https://github.com/BxYQ/ld/blob/main/downloadSocialPromotionQrcode_fileread.doc | exploit |