CVE Vulnerability

CVE-2020-15247

October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.469, an authenticated backend user with the cms.manage_pages, cms.manage_layouts, or cms.manage_partials permissions who would normally not be permitted to provide PHP code to be executed by the CMS due to cms.enableSafeMode being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP. This is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having cms.enableSafeMode enabled, but would be a problem for anyone relying on cms.enableSafeMode to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP. Issue has been patched in Build 469 (v1.0.469) and v1.1.0.

4.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

5.2 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.1 / Impact : 3.7

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References
Link Resource
https://github.com/octobercms/october/security/advisories/GHSA-94vp-rmqv-5875 Third Party Advisory
https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*
Information

Published : 2020-11-23 08:15

Updated : 2021-11-18 04:28

NVD link : CVE-2020-15247

Mitre link : CVE-2020-15247

Products Affected
No products.
CWE
NVD-CWE-Other