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Security Advisories: GSA_kwCzR0hTQS14NHE3LW02ZnAtNHY5ds4AAvUA

October CMS Safe Mode bypass leads to authenticated Remote Code Execution

Impact

This vulnerability only affects installations that rely on the safe mode restriction, commonly used when providing public access to the admin panel. Assuming an attacker has access to the admin panel and permission to open the "Editor" section, they can bypass the Safe Mode (cms.safe_mode) restriction to introduce new PHP code in a CMS template using a specially crafted request.

Patches

The issue has been patched in v2.2.34 and v3.0.66

References

Credits to:

For more information

If you have any questions or comments about this advisory:

Permalink: https://github.com/advisories/GHSA-x4q7-m6fp-4v9v
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS14NHE3LW02ZnAtNHY5ds4AAvUA
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: about 2 years ago


CVSS Score: 7.2
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00102
EPSS Percentile: 0.42742

Identifiers: GHSA-x4q7-m6fp-4v9v, CVE-2022-35944
References: Repository: https://github.com/octobercms/october
Blast Radius: 18.2

Affected Packages

packagist:october/system
Dependent packages: 37
Dependent repositories: 340
Downloads: 1,015,909 total
Affected Version Ranges: >= 2.0.0, < 2.2.34, >= 3.0.0, < 3.0.66
Fixed in: 2.2.34, 3.0.66
All affected versions:
All unaffected versions: 1.0.319, 1.0.320, 1.0.321, 1.0.322, 1.0.323, 1.0.324, 1.0.325, 1.0.326, 1.0.327, 1.0.328, 1.0.329, 1.0.330, 1.0.331, 1.0.332, 1.0.333, 1.0.334, 1.0.335, 1.0.336, 1.0.337, 1.0.338, 1.0.339, 1.0.340, 1.0.341, 1.0.342, 1.0.343, 1.0.344, 1.0.345, 1.0.346, 1.0.347, 1.0.348, 1.0.349, 1.0.350, 1.0.351, 1.0.352, 1.0.353, 1.0.354, 1.0.355, 1.0.356, 1.0.357, 1.0.358, 1.0.359, 1.0.360, 1.0.361, 1.0.362, 1.0.363, 1.0.364, 1.0.365, 1.0.366, 1.0.367, 1.0.368, 1.0.369, 1.0.370, 1.0.371, 1.0.372, 1.0.373, 1.0.374, 1.0.375, 1.0.376, 1.0.377, 1.0.378, 1.0.379, 1.0.380, 1.0.381, 1.0.382, 1.0.383, 1.0.384, 1.0.385, 1.0.386, 1.0.387, 1.0.388, 1.0.389, 1.0.390, 1.0.391, 1.0.392, 1.0.393, 1.0.394, 1.0.395, 1.0.396, 1.0.397, 1.0.398, 1.0.399, 1.0.400, 1.0.401, 1.0.402, 1.0.403, 1.0.404, 1.0.405, 1.0.406, 1.0.407, 1.0.408, 1.0.409, 1.0.410, 1.0.411, 1.0.412, 1.0.413, 1.0.414, 1.0.415, 1.0.416, 1.0.417, 1.0.418, 1.0.419, 1.0.420, 1.0.421, 1.0.422, 1.0.423, 1.0.424, 1.0.425, 1.0.426, 1.0.427, 1.0.428, 1.0.429, 1.0.430, 1.0.431, 1.0.432, 1.0.433, 1.0.434, 1.0.435, 1.0.436, 1.0.437, 1.0.438, 1.0.439, 1.0.440, 1.0.441, 1.0.442, 1.0.443, 1.0.444, 1.0.445, 1.0.446, 1.0.447, 1.0.448, 1.0.449, 1.0.450, 1.0.451, 1.0.452, 1.0.453, 1.0.454, 1.0.455, 1.0.456, 1.0.457, 1.0.458, 1.0.459, 1.0.460, 1.0.461, 1.0.462, 1.0.463, 1.0.464, 1.0.465, 1.0.466, 1.0.467, 1.0.468, 1.0.469, 1.0.470, 1.0.471, 1.0.472, 1.0.473, 1.0.474, 1.0.475, 1.0.476, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.1.9, 1.1.10, 1.1.11, 1.1.12