gsd-2023-41338
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Fiber is an Express inspired web framework built in the go language. Versions of gofiber prior to 2.49.2 did not properly restrict access to localhost. This issue impacts users of our project who rely on the `ctx.IsFromLocal` method to restrict access to localhost requests. If exploited, it could allow unauthorized access to resources intended only for localhost. Setting `X-Forwarded-For: 127.0.0.1` in a request from a foreign host, will result in true for `ctx.IsFromLocal`. Access is limited to the scope of the affected process. This issue has been patched in version `2.49.2` with commit `b8c9ede6`. Users are advised to upgrade. There are no known workarounds to remediate this vulnerability without upgrading to the patched version.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-41338",
"id": "GSD-2023-41338"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-41338"
],
"details": "Fiber is an Express inspired web framework built in the go language. Versions of gofiber prior to 2.49.2 did not properly restrict access to localhost. This issue impacts users of our project who rely on the `ctx.IsFromLocal` method to restrict access to localhost requests. If exploited, it could allow unauthorized access to resources intended only for localhost. Setting `X-Forwarded-For: 127.0.0.1` in a request from a foreign host, will result in true for `ctx.IsFromLocal`. Access is limited to the scope of the affected process. This issue has been patched in version `2.49.2` with commit `b8c9ede6`. Users are advised to upgrade. There are no known workarounds to remediate this vulnerability without upgrading to the patched version. ",
"id": "GSD-2023-41338",
"modified": "2023-12-13T01:20:45.410396Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2023-41338",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "fiber",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "\u003c 2.49.2"
}
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}
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},
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}
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"description": {
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"value": "Fiber is an Express inspired web framework built in the go language. Versions of gofiber prior to 2.49.2 did not properly restrict access to localhost. This issue impacts users of our project who rely on the `ctx.IsFromLocal` method to restrict access to localhost requests. If exploited, it could allow unauthorized access to resources intended only for localhost. Setting `X-Forwarded-For: 127.0.0.1` in a request from a foreign host, will result in true for `ctx.IsFromLocal`. Access is limited to the scope of the affected process. This issue has been patched in version `2.49.2` with commit `b8c9ede6`. Users are advised to upgrade. There are no known workarounds to remediate this vulnerability without upgrading to the patched version. "
}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"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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"value": "CWE-670: Always-Incorrect Control Flow Implementation"
}
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"references": {
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{
"name": "https://github.com/gofiber/fiber/security/advisories/GHSA-3q5p-3558-364f",
"refsource": "MISC",
"url": "https://github.com/gofiber/fiber/security/advisories/GHSA-3q5p-3558-364f"
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{
"name": "https://github.com/gofiber/fiber/commit/b8c9ede6efa231116c4bd8bb9d5e03eac1cb76dc",
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{
"name": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For",
"refsource": "MISC",
"url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For"
},
{
"name": "https://docs.gofiber.io/api/ctx#isfromlocal",
"refsource": "MISC",
"url": "https://docs.gofiber.io/api/ctx#isfromlocal"
}
]
},
"source": {
"advisory": "GHSA-3q5p-3558-364f",
"discovery": "UNKNOWN"
}
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:gofiber:fiber:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.49.2",
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"ID": "CVE-2023-41338"
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"description": {
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"value": "Fiber is an Express inspired web framework built in the go language. Versions of gofiber prior to 2.49.2 did not properly restrict access to localhost. This issue impacts users of our project who rely on the `ctx.IsFromLocal` method to restrict access to localhost requests. If exploited, it could allow unauthorized access to resources intended only for localhost. Setting `X-Forwarded-For: 127.0.0.1` in a request from a foreign host, will result in true for `ctx.IsFromLocal`. Access is limited to the scope of the affected process. This issue has been patched in version `2.49.2` with commit `b8c9ede6`. Users are advised to upgrade. There are no known workarounds to remediate this vulnerability without upgrading to the patched version. "
}
]
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],
"url": "https://github.com/gofiber/fiber/security/advisories/GHSA-3q5p-3558-364f"
},
{
"name": "https://docs.gofiber.io/api/ctx#isfromlocal",
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"tags": [
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"url": "https://docs.gofiber.io/api/ctx#isfromlocal"
},
{
"name": "https://github.com/gofiber/fiber/commit/b8c9ede6efa231116c4bd8bb9d5e03eac1cb76dc",
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{
"name": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For",
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"url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For"
}
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}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
},
"lastModifiedDate": "2023-09-12T19:12Z",
"publishedDate": "2023-09-08T19:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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