GSD-2021-23384
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-23384",
"description": "The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs.",
"id": "GSD-2021-23384"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-23384"
],
"details": "The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs.",
"id": "GSD-2021-23384",
"modified": "2023-12-13T01:23:30.092332Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "report@snyk.io",
"DATE_PUBLIC": "2021-05-17T17:43:04.055580Z",
"ID": "CVE-2021-23384",
"STATE": "PUBLIC",
"TITLE": "Open Redirect"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "koa-remove-trailing-slashes",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "2.0.2"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"credit": [
{
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"value": "apple502j"
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"description": {
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"value": "The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C",
"version": "3.1"
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"problemtype": {
"problemtype_data": [
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"description": [
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"lang": "eng",
"value": "Open Redirect"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708",
"refsource": "MISC",
"url": "https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708"
},
{
"name": "https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31",
"refsource": "MISC",
"url": "https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c2.0.2",
"affected_versions": "All versions before 2.0.2",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-601",
"CWE-937"
],
"date": "2021-05-25",
"description": "The package koa-remove-trailing-slashes is vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in `index.js::removeTrailingSlashes()`, as the web server uses relative URLs instead of absolute URLs.",
"fixed_versions": [
"2.0.2"
],
"identifier": "CVE-2021-23384",
"identifiers": [
"CVE-2021-23384"
],
"not_impacted": "All versions starting from 2.0.2",
"package_slug": "npm/koa-remove-trailing-slashes",
"pubdate": "2021-05-17",
"solution": "Upgrade to version 2.0.2 or above.",
"title": "URL Redirection to Untrusted Site (Open Redirect)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-23384"
],
"uuid": "1fd4b4a2-af94-4b6d-9262-dc44bcb19467"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:koa-remove-trailing-slashes_project:koa-remove-trailing-slashes:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "2.0.2",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
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"ID": "CVE-2021-23384"
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"description": {
"description_data": [
{
"lang": "en",
"value": "The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-601"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31",
"refsource": "MISC",
"tags": [
"Broken Link"
],
"url": "https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31"
},
{
"name": "https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5
}
},
"lastModifiedDate": "2021-05-25T14:39Z",
"publishedDate": "2021-05-17T18:15Z"
}
}
}
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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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