CVE-2018-6383
Published: 2018-01-29
Last Modified: 2021-06-08
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
Monstra CMS through 3.0.4 has an incomplete "forbidden types" list that excludes .php (and similar) file extensions but not the .pht or .phar extension, which allows remote authenticated Admins or Editors to execute arbitrary PHP code by uploading a file, a different vulnerability than CVE-2017-18048.
| Severity | Medium |
| Base Score | 6.5/10 |
| Exploit Score | 8/10 |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | Single |
| Impact Score | 6.4/10 |
| Confidentiality Impact | Partial |
| Availability Impact | Partial |
| Integrity Impact | Partial |
| Vector String | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| Severity | High |
| Base Score | 7.2/10 |
| Exploit Score | 1.2/10 |
| Access Vector | Network |
| Access Complexity | Low |
| Privileges Required | High |
| Impact Score | 5.9/10 |
| Confidentiality Impact | High |
| Availability Impact | High |
| Integrity Impact | High |
| Scope | Unchanged |
| User Interaction | None |
| Vector String | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CPE | Vulnerable | Start | Excluding |
|---|---|---|---|
| cpe:2.3:a:monstra:monstra:*:*:*:*:*:*:*:* | Yes | - | - |
https://github.com/monstra-cms/monstra/issues/429
http://packetstormsecurity.com/files/162968/Monstra-CMS-3.0.4-Remote-Code-Execution.html
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