gsd-2018-21246
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2018-21246",
"description": "Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.",
"id": "GSD-2018-21246"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.",
"id": "GSD-2018-21246",
"modified": "2023-12-13T01:22:25.526858Z",
"schema_version": "1.4.0"
}
},
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"affects": {
"vendor": {
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{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
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}
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"reference_data": [
{
"name": "https://github.com/caddyserver/caddy/releases/tag/v0.10.13",
"refsource": "MISC",
"url": "https://github.com/caddyserver/caddy/releases/tag/v0.10.13"
},
{
"name": "https://bugs.gentoo.org/715214",
"refsource": "MISC",
"url": "https://bugs.gentoo.org/715214"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003cv0.10.13",
"affected_versions": "All versions before 0.10.13",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-287",
"CWE-937"
],
"date": "2023-02-14",
"description": "Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.",
"fixed_versions": [
"v0.10.13"
],
"identifier": "CVE-2018-21246",
"identifiers": [
"GHSA-gr7w-x2jp-3xgw",
"CVE-2018-21246"
],
"not_impacted": "All versions starting from 0.10.13",
"package_slug": "go/github.com/caddyserver/caddy",
"pubdate": "2022-10-06",
"solution": "Upgrade to version 0.10.13 or above.",
"title": "Improper Authentication",
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"https://github.com/caddyserver/caddy/commit/4d9ee000c8d2cbcdd8284007c1e0f2da7bc3c7c3",
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"https://github.com/caddyserver/caddy/releases/tag/v0.10.13",
"https://github.com/caddyserver/caddy/pull/2099",
"https://pkg.go.dev/vuln/GO-2020-0043",
"https://github.com/advisories/GHSA-gr7w-x2jp-3xgw"
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"uuid": "956d6775-5eb4-48dd-ad4e-7dac66141a71",
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"sha": "99cf063bdb0dc4a18fa4aa57f461e268d3cebf67",
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},
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},
{
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"cwe_ids": [
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"CWE-287",
"CWE-937"
],
"date": "2022-10-06",
"description": "Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.",
"fixed_versions": [
"v0.10.13"
],
"identifier": "CVE-2018-21246",
"identifiers": [
"GHSA-gr7w-x2jp-3xgw",
"CVE-2018-21246"
],
"not_impacted": "All versions starting from 0.10.13",
"package_slug": "go/github.com/caddyserver/caddy/caddyhttp/httpserver",
"pubdate": "2022-10-06",
"solution": "Upgrade to version 0.10.13 or above.",
"title": "Improper Authentication",
"urls": [
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"https://github.com/caddyserver/caddy/commit/4d9ee000c8d2cbcdd8284007c1e0f2da7bc3c7c3",
"https://bugs.gentoo.org/715214",
"https://github.com/caddyserver/caddy/releases/tag/v0.10.13",
"https://github.com/advisories/GHSA-gr7w-x2jp-3xgw"
],
"uuid": "01f72e91-24b2-428e-b63e-bdbb66791d9d",
"versions": [
{
"commit": {
"sha": "99cf063bdb0dc4a18fa4aa57f461e268d3cebf67",
"tags": [
"v0.10.13"
],
"timestamp": "20180418230954"
},
"number": "v0.10.13"
}
]
}
]
},
"nvd.nist.gov": {
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "0.10.3",
"vulnerable": true
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"ID": "CVE-2018-21246"
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"description": {
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"name": "https://bugs.gentoo.org/715214",
"refsource": "MISC",
"tags": [
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],
"url": "https://bugs.gentoo.org/715214"
},
{
"name": "https://github.com/caddyserver/caddy/releases/tag/v0.10.13",
"refsource": "MISC",
"tags": [
"Release Notes",
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"url": "https://github.com/caddyserver/caddy/releases/tag/v0.10.13"
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
},
"lastModifiedDate": "2020-06-26T18:39Z",
"publishedDate": "2020-06-15T17:15Z"
}
}
}
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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.
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- 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.