2024-12-08 03:06:42 +00:00

203 lines
7.7 KiB
JSON

{
"id": "CVE-2020-5217",
"sourceIdentifier": "security-advisories@github.com",
"published": "2020-01-23T03:15:10.793",
"lastModified": "2024-11-21T05:33:41.997",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Secure Headers (RubyGem secure_headers), a directive injection vulnerability is present in versions before 3.8.0, 5.1.0, and 6.2.0. If user-supplied input was passed into append/override_content_security_policy_directives, a semicolon could be injected leading to directive injection. This could be used to e.g. override a script-src directive. Duplicate directives are ignored and the first one wins. The directives in secure_headers are sorted alphabetically so they pretty much all come before script-src. A previously undefined directive would receive a value even if SecureHeaders::OPT_OUT was supplied. The fixed versions will silently convert the semicolons to spaces and emit a deprecation warning when this happens. This will result in innocuous browser console messages if being exploited/accidentally used. In future releases, we will raise application errors resulting in 500s. Depending on what major version you are using, the fixed versions are 6.2.0, 5.1.0, 3.8.0."
},
{
"lang": "es",
"value": "En Secure Headers (secure_headers de RubyGem), una vulnerabilidad de inyecci\u00f3n de directiva est\u00e1 presente en las versiones anteriores a 3.8.0, 5.1.0 y 6.2.0. Si una entrada suministrada por el usuario fue pasada a append/override_content_security_policy_directives, se podr\u00eda inyectar un punto y coma conllevando a una inyecci\u00f3n de directiva. Esto podr\u00eda ser usado para, por ejemplo anular una directiva script-src. Las directivas duplicadas son ignoradas y la primera gana. Las directivas en secure_headers est\u00e1n ordenadas alfab\u00e9ticamente, por lo que casi todas van antes de script-src. Una directiva previamente indefinida recibir\u00eda un valor inclusive si la funci\u00f3n SecureHeaders::OPT_OUT fue suministrada. Las versiones corregidas convertir\u00e1n silenciosamente los puntos y comas en espacios y emitir\u00e1n una advertencia de desaprobaci\u00f3n cuando esto suceda. Esto resultar\u00e1 en mensajes inocuos de la consola del navegador si est\u00e1 siendo explotada o usada accidentalmente. En futuras versiones, generaremos errores de aplicaci\u00f3n resultando en 500. Seg\u00fan la versi\u00f3n principal que est\u00e9 usando, las versiones corregidas son 6.2.0, 5.1.0, 3.8.0."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.3,
"impactScore": 2.7
},
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"baseScore": 5.0,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"availabilityImpact": "NONE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-95"
}
]
},
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-74"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:twitter:secure_headers:*:*:*:*:*:ruby:*:*",
"versionEndExcluding": "3.8.0",
"matchCriteriaId": "F0F5AB6F-E584-4640-A497-3BC81A4171C8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:twitter:secure_headers:*:*:*:*:*:ruby:*:*",
"versionStartIncluding": "5.0.0",
"versionEndExcluding": "5.1.0",
"matchCriteriaId": "B8A7D02A-9E27-4388-A128-14BFCCA049CA"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:twitter:secure_headers:*:*:*:*:*:ruby:*:*",
"versionStartIncluding": "6.0.0",
"versionEndExcluding": "6.2.0",
"matchCriteriaId": "D8B75B75-5C9C-4C8D-ACD6-214D042546E7"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/twitter/secure_headers/commit/936a160e3e9659737a9f9eafce13eea36b5c9fa3",
"source": "security-advisories@github.com",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/twitter/secure_headers/issues/418",
"source": "security-advisories@github.com",
"tags": [
"Exploit",
"Third Party Advisory"
]
},
{
"url": "https://github.com/twitter/secure_headers/pull/421",
"source": "security-advisories@github.com",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c",
"source": "security-advisories@github.com",
"tags": [
"Mitigation",
"Third Party Advisory"
]
},
{
"url": "https://github.com/twitter/secure_headers/commit/936a160e3e9659737a9f9eafce13eea36b5c9fa3",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/twitter/secure_headers/issues/418",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
]
},
{
"url": "https://github.com/twitter/secure_headers/pull/421",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Third Party Advisory"
]
}
]
}