CVE-2017-18048 Information

Description

Monstra CMS 3.0.4 allows users to upload arbitrary files which leads to remote command execution on the server for example because .php (lowercase) is blocked but .PHP (uppercase) is not.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://blogs.securiteam.com/index.php/archives/3559 https://github.com/monstra-cms/monstra/issues/426 https://securityprince.blogspot.in/2017/12/monstra-cms-304-arbitrary-file-upload.html https://www.exploit-db.com/exploits/43348/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8