GSD-2019-18978
Vulnerability from gsd - Updated: 2019-11-15 00:00Details
An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem
before 1.0.4 for Ruby. It allows ../ directory traversal to access private resources
because resource matching does not ensure that pathnames are in a canonical format.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-18978",
"description": "An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem before 1.0.4 for Ruby. It allows ../ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.",
"id": "GSD-2019-18978",
"references": [
"https://www.debian.org/security/2021/dsa-4918",
"https://ubuntu.com/security/CVE-2019-18978"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "rack-cors",
"purl": "pkg:gem/rack-cors"
}
}
],
"aliases": [
"CVE-2019-18978",
"GHSA-pf8f-w267-mq2h"
],
"details": "An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem\nbefore 1.0.4 for Ruby. It allows ../ directory traversal to access private resources\nbecause resource matching does not ensure that pathnames are in a canonical format.\n",
"id": "GSD-2019-18978",
"modified": "2019-11-15T00:00:00.000Z",
"published": "2019-11-15T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d"
}
],
"schema_version": "1.4.0",
"severity": [
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"type": "CVSS_V3"
}
],
"summary": "rack-cors directory traversal via path"
}
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"description": "An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem\nbefore 1.0.4 for Ruby. It allows ../ directory traversal to access private resources\nbecause resource matching does not ensure that pathnames are in a canonical format.\n",
"gem": "rack-cors",
"ghsa": "pf8f-w267-mq2h",
"patched_versions": [
"\u003e= 1.0.4"
],
"title": "rack-cors directory traversal via path",
"url": "https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d"
},
"gitlab.com": {
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{
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"affected_versions": "All versions before 1.0.4",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-22",
"CWE-937"
],
"date": "2019-11-18",
"description": "An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem for Ruby. It allows directory traversal through `..` to access private resources because resource matching does not ensure that pathnames are in a canonical format.",
"fixed_versions": [
"1.0.4"
],
"identifier": "CVE-2019-18978",
"identifiers": [
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],
"not_impacted": "All versions starting from 1.0.4",
"package_slug": "gem/rack-cors",
"pubdate": "2019-11-14",
"solution": "Upgrade to version 1.0.4 or above.",
"title": "Path Traversal",
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
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},
"lastModifiedDate": "2021-05-21T16:47Z",
"publishedDate": "2019-11-14T21:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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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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