GSD-2017-6920
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-6920",
"description": "Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.",
"id": "GSD-2017-6920"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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],
"details": "Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.",
"id": "GSD-2017-6920",
"modified": "2023-12-13T01:21:09.888101Z",
"schema_version": "1.4.0"
}
},
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"DATE_PUBLIC": "2017-06-21T00:00:00",
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"STATE": "PUBLIC"
},
"affects": {
"vendor": {
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{
"product": {
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{
"product_name": "Drupal Core",
"version": {
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{
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}
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"lang": "eng",
"value": "Remote Code Execution"
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"references": {
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"name": "https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple",
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},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c8.3.4",
"affected_versions": "All versions before 8.3.4",
"credit": "xjm, Alex Pott, Peter Wolanin",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-19",
"CWE-937"
],
"date": "2018-10-04",
"description": "PECL YAML parser does not handle PHP objects safely during certain operations within Drupal core. This can lead to remote code execution.",
"fixed_versions": [
"8.3.4"
],
"identifier": "CVE-2017-6920",
"identifiers": [
"CVE-2017-6920"
],
"not_impacted": "All versions starting from 8.3.4",
"package_slug": "packagist/drupal/core",
"pubdate": "2018-08-06",
"solution": "Upgrade to version 8.3.4 or above.",
"title": "PECL YAML parser unsafe object handling",
"urls": [
"https://www.drupal.org/SA-CORE-2017-003"
],
"uuid": "6f6e48ce-2274-4384-82a9-b901274af146"
},
{
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"affected_versions": "All versions before 8.3.4",
"credit": "xjm, Alex Pott, Peter Wolanin",
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"cwe_ids": [
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"CWE-19",
"CWE-937"
],
"date": "2018-10-04",
"description": "PECL YAML parser does not handle PHP objects safely during certain operations within Drupal core. This can lead to remote code execution.",
"fixed_versions": [
"8.3.4"
],
"identifier": "CVE-2017-6920",
"identifiers": [
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],
"not_impacted": "All versions starting from 8.3.4",
"package_slug": "packagist/drupal/drupal",
"pubdate": "2018-08-06",
"solution": "Upgrade to version 8.3.4 or above.",
"title": "PECL YAML parser unsafe object handling",
"urls": [
"https://www.drupal.org/SA-CORE-2017-003"
],
"uuid": "44d0a8a7-97dd-4dba-8b20-c425b0135985"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"cpe_match": [
{
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"cpe_name": [],
"versionEndExcluding": "8.3.4",
"versionStartIncluding": "8.0.0",
"vulnerable": true
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],
"operator": "OR"
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"description": {
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"problemtype": {
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"references": {
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},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
},
"lastModifiedDate": "2018-10-04T16:16Z",
"publishedDate": "2018-08-06T15:29Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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