Yunke Online School System
Name of the Vulnerable Software and Affected Versions:
Yunke Online School System versions up to 3.0.6
Description:
A vulnerability was found in the Yunke Online School System, affecting the `downfile` function of the file `application/admin/controller/Appadmin.php`. The manipulation of the `url` argument leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Recommendations:
For versions up to 3.0.6, as a temporary workaround, consider disabling the `downfile` function until a patch is available. Restrict access to the `application/admin/controller/Appadmin.php` file to minimize the risk of exploitation. Avoid using the `url` argument in the affected function until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.