October/System authenticated file write leads to remote code execution
The advisory, in context
Impact
Assuming an attacker with "create, modify and delete website pages" privileges in the backend is able to execute PHP code by running specially crafted Twig code in the template markup.
Patches
Issue has been patched in Build 473 and v1.1.6
Workarounds
Apply https://github.com/octobercms/october/commit/167b592eed291ae1563c8fcc5b9b34a03a300f26 to your installation manually if you are unable to upgrade.
References
Credits to: • David Miller
For more information
If you have any questions or comments about this advisory:
- Email us at hello@octobercms.com
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
From 1.1.0 before 1.1.6
Fixed in 1.1.6
6 explicitly affected versions
v1.1.0, v1.1.1, v1.1.2, v1.1.3, v1.1.4, v1.1.5
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "1.1.0"
},
{
"fixed": "1.1.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v1.1.0",
"v1.1.1",
"v1.1.2",
"v1.1.3",
"v1.1.4",
"v1.1.5"
]
}Earlier releases before 1.0.473
Fixed in 1.0.473
154 explicitly affected versions
v1.0.319, v1.0.320, v1.0.321, v1.0.322, v1.0.323, v1.0.324, v1.0.325, v1.0.326, v1.0.327, v1.0.328, v1.0.329, v1.0.330, v1.0.331, v1.0.332, v1.0.333, v1.0.334, v1.0.335, v1.0.336, v1.0.337, v1.0.338, v1.0.339, v1.0.340, v1.0.341, v1.0.342, v1.0.343, v1.0.344, v1.0.345, v1.0.346, v1.0.347, v1.0.348, v1.0.349, v1.0.350, v1.0.351, v1.0.352, v1.0.353, v1.0.354, v1.0.355, v1.0.356, v1.0.357, v1.0.358, v1.0.359, v1.0.360, v1.0.361, v1.0.362, v1.0.363, v1.0.364, v1.0.365, v1.0.366, v1.0.367, v1.0.368, v1.0.369, v1.0.370, v1.0.371, v1.0.372, v1.0.373, v1.0.374, v1.0.375, v1.0.376, v1.0.377, v1.0.378, v1.0.379, v1.0.380, v1.0.381, v1.0.382, v1.0.383, v1.0.384, v1.0.385, v1.0.386, v1.0.387, v1.0.388, v1.0.389, v1.0.390, v1.0.391, v1.0.392, v1.0.393, v1.0.394, v1.0.395, v1.0.396, v1.0.397, v1.0.398, v1.0.399, v1.0.400, v1.0.401, v1.0.402, v1.0.403, v1.0.404, v1.0.405, v1.0.406, v1.0.407, v1.0.408, v1.0.409, v1.0.410, v1.0.411, v1.0.412, v1.0.413, v1.0.414, v1.0.415, v1.0.416, v1.0.417, v1.0.418, v1.0.419, v1.0.420, v1.0.421, v1.0.422, v1.0.423, v1.0.424, v1.0.425, v1.0.426, v1.0.427, v1.0.428, v1.0.429, v1.0.430, v1.0.431, v1.0.432, v1.0.433, v1.0.434, v1.0.435, v1.0.436, v1.0.437, v1.0.438, v1.0.439, v1.0.440, v1.0.441, v1.0.442, v1.0.443, v1.0.444, v1.0.445, v1.0.446, v1.0.447, v1.0.448, v1.0.449, v1.0.450, v1.0.451, v1.0.452, v1.0.453, v1.0.454, v1.0.455, v1.0.456, v1.0.457, v1.0.458, v1.0.459, v1.0.460, v1.0.461, v1.0.462, v1.0.463, v1.0.464, v1.0.465, v1.0.466, v1.0.467, v1.0.468, v1.0.469, v1.0.470, v1.0.471, v1.0.472
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.473"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v1.0.319",
"v1.0.320",
"v1.0.321",
"v1.0.322",
"v1.0.323",
"v1.0.324",
"v1.0.325",
"v1.0.326",
"v1.0.327",
"v1.0.328",
"v1.0.329",
"v1.0.330",
"v1.0.331",
"v1.0.332",
"v1.0.333",
"v1.0.334",
"v1.0.335",
"v1.0.336",
"v1.0.337",
"v1.0.338",
"v1.0.339",
"v1.0.340",
"v1.0.341",
"v1.0.342",
"v1.0.343",
"v1.0.344",
"v1.0.345",
"v1.0.346",
"v1.0.347",
"v1.0.348",
"v1.0.349",
"v1.0.350",
"v1.0.351",
"v1.0.352",
"v1.0.353",
"v1.0.354",
"v1.0.355",
"v1.0.356",
"v1.0.357",
"v1.0.358",
"v1.0.359",
"v1.0.360",
"v1.0.361",
"v1.0.362",
"v1.0.363",
"v1.0.364",
"v1.0.365",
"v1.0.366",
"v1.0.367",
"v1.0.368",
"v1.0.369",
"v1.0.370",
"v1.0.371",
"v1.0.372",
"v1.0.373",
"v1.0.374",
"v1.0.375",
"v1.0.376",
"v1.0.377",
"v1.0.378",
"v1.0.379",
"v1.0.380",
"v1.0.381",
"v1.0.382",
"v1.0.383",
"v1.0.384",
"v1.0.385",
"v1.0.386",
"v1.0.387",
"v1.0.388",
"v1.0.389",
"v1.0.390",
"v1.0.391",
"v1.0.392",
"v1.0.393",
"v1.0.394",
"v1.0.395",
"v1.0.396",
"v1.0.397",
"v1.0.398",
"v1.0.399",
"v1.0.400",
"v1.0.401",
"v1.0.402",
"v1.0.403",
"v1.0.404",
"v1.0.405",
"v1.0.406",
"v1.0.407",
"v1.0.408",
"v1.0.409",
"v1.0.410",
"v1.0.411",
"v1.0.412",
"v1.0.413",
"v1.0.414",
"v1.0.415",
"v1.0.416",
"v1.0.417",
"v1.0.418",
"v1.0.419",
"v1.0.420",
"v1.0.421",
"v1.0.422",
"v1.0.423",
"v1.0.424",
"v1.0.425",
"v1.0.426",
"v1.0.427",
"v1.0.428",
"v1.0.429",
"v1.0.430",
"v1.0.431",
"v1.0.432",
"v1.0.433",
"v1.0.434",
"v1.0.435",
"v1.0.436",
"v1.0.437",
"v1.0.438",
"v1.0.439",
"v1.0.440",
"v1.0.441",
"v1.0.442",
"v1.0.443",
"v1.0.444",
"v1.0.445",
"v1.0.446",
"v1.0.447",
"v1.0.448",
"v1.0.449",
"v1.0.450",
"v1.0.451",
"v1.0.452",
"v1.0.453",
"v1.0.454",
"v1.0.455",
"v1.0.456",
"v1.0.457",
"v1.0.458",
"v1.0.459",
"v1.0.460",
"v1.0.461",
"v1.0.462",
"v1.0.463",
"v1.0.464",
"v1.0.465",
"v1.0.466",
"v1.0.467",
"v1.0.468",
"v1.0.469",
"v1.0.470",
"v1.0.471",
"v1.0.472"
]
}