GSD-2020-15247
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-15247",
"description": "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 \u0026 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 \u0026 execute arbitrary PHP. Issue has been patched in Build 469 (v1.0.469) and v1.1.0.",
"id": "GSD-2020-15247"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-15247"
],
"details": "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 \u0026 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 \u0026 execute arbitrary PHP. Issue has been patched in Build 469 (v1.0.469) and v1.1.0.",
"id": "GSD-2020-15247",
"modified": "2023-12-13T01:21:43.903742Z",
"schema_version": "1.4.0"
}
},
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"STATE": "PUBLIC",
"TITLE": "Twig Sandbox Escape by authenticated users with access to editing CMS templates when safemode is enabled."
},
"affects": {
"vendor": {
"vendor_data": [
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"product": {
"product_data": [
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"product_name": "october",
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"value": "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 \u0026 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 \u0026 execute arbitrary PHP. Issue has been patched in Build 469 (v1.0.469) and v1.1.0."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 5.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
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{
"description": [
{
"lang": "eng",
"value": "CWE-862 Missing Authorization"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/octobercms/october/security/advisories/GHSA-94vp-rmqv-5875",
"refsource": "CONFIRM",
"url": "https://github.com/octobercms/october/security/advisories/GHSA-94vp-rmqv-5875"
},
{
"name": "https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982",
"refsource": "MISC",
"url": "https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982"
}
]
},
"source": {
"advisory": "GHSA-94vp-rmqv-5875",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=1.0.319,\u003c1.0.469",
"affected_versions": "All versions starting from 1.0.319 before 1.0.469",
"cvss_v2": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
"cwe_ids": [
"CWE-1035",
"CWE-78",
"CWE-937"
],
"date": "2021-11-19",
"description": "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 \u0026 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 \u0026 execute arbitrary PHP. Issue has been patched in Build 469 (v1.0.469) and v1.1.0.",
"fixed_versions": [
"1.0.469"
],
"identifier": "CVE-2020-15247",
"identifiers": [
"GHSA-94vp-rmqv-5875",
"CVE-2020-15247"
],
"not_impacted": "All versions before 1.0.319, all versions starting from 1.0.469",
"package_slug": "packagist/october/cms",
"pubdate": "2020-11-23",
"solution": "Upgrade to version 1.0.469 or above.",
"title": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"urls": [
"https://github.com/octobercms/october/security/advisories/GHSA-94vp-rmqv-5875",
"https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982",
"https://nvd.nist.gov/vuln/detail/CVE-2020-15247",
"https://github.com/advisories/GHSA-94vp-rmqv-5875"
],
"uuid": "87425c77-ea7f-4d49-a685-7b96abd683ce"
},
{
"affected_range": "\u003e=1.0.319,\u003c1.0.469",
"affected_versions": "All versions starting from 1.0.319 before 1.0.469",
"cvss_v2": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-11-18",
"description": "October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS, 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 \u0026 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 \u0026 execute arbitrary PHP.",
"fixed_versions": [
"1.0.469"
],
"identifier": "CVE-2020-15247",
"identifiers": [
"CVE-2020-15247",
"GHSA-94vp-rmqv-5875"
],
"not_impacted": "All versions before 1.0.319, all versions starting from 1.0.469",
"package_slug": "packagist/october/october",
"pubdate": "2020-11-23",
"solution": "Upgrade to version 1.0.469 or above.",
"title": "Missing Authorization",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-15247"
],
"uuid": "b889acb1-336c-443b-b2c3-6032cbd46ba2"
}
]
},
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"versionEndExcluding": "1.0.469",
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"url": "https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982"
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"impact": {
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"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
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"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 5.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
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"exploitabilityScore": 1.1,
"impactScore": 3.7
}
},
"lastModifiedDate": "2021-11-18T16:28Z",
"publishedDate": "2020-11-23T20:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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