Vulnerability CVE-2018-17418


Published: 2019-03-07   Modified: 2019-03-08

Description:
Monstra CMS 3.0.4 allows remote attackers to execute arbitrary PHP code via a mixed-case file extension, as demonstrated by the 123.PhP filename, because plugins\box\filesmanager\filesmanager.admin.php mishandles the forbidden_types variable.

Type:

CWE-434

(Unrestricted Upload of File with Dangerous Type)

Vendor: Monstra
Product: Monstra 
Version: 3.0.4;

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
https://github.com/AlwaysHereFight/monstra_cms-3.0.4--getshell/blob/master/README.md

Related CVE
CVE-2018-18694
admin/index.php?id=filesmanager in Monstra CMS 3.0.4 allows remote authenticated administrators to trigger stored XSS via JavaScript content in a file whose name lacks an extension. Such a file is interpreted as text/html in certain cases.
CVE-2018-16820
admin/index.php in Monstra CMS 3.0.4 allows arbitrary directory listing via id=filesmanager&path=uploads/.......//./.......//./ requests.
CVE-2018-16819
admin/index.php in Monstra CMS 3.0.4 allows arbitrary file deletion via id=filesmanager&path=uploads/.......//./.......//./&delete_file= requests.
CVE-2018-17026
admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an edit_page&name=error404 action, a different vulnerability than CVE-2018-10121.
CVE-2018-17025
admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an edit_page action for a page with no special role.
CVE-2018-17024
admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an add_page action.
CVE-2018-16979
Monstra CMS V3.0.4 allows HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter, a related issue to CVE-2012-2943.
CVE-2018-16978
Monstra CMS V3.0.4 has XSS when ones tries to register an account with a crafted password parameter to users/registration, a different vulnerability than CVE-2018-11473.

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