A vulnerability, which was classified as critical, has been found in SchoolCMS 2.3.1. Affected by this issue is the function Upload of the file admin.php?m=admin&c=theme&a=upload of the component Theme Upload Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SchoolCMS version 2.3.1 allows file upload via the theme upload feature at admin.php?m=admin&c=theme&a=upload by using the .zip extension along with the _Static substring, changing the Content-Type to application/zip, and placing PHP code after the ZIP header. This ultimately allows execution of arbitrary PHP code in Public\Home\1_Static.php because of mishandling in the Application\Admin\Controller\ThemeController.class.php Upload() function.

The bug was discovered 03/05/2019. The weakness was released 03/05/2019. This vulnerability is handled as CVE-2019-9572 since 03/05/2019. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Name

• SchoolCMS

Version

• 2.3.1

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion