CVE-2020-7695 (GCVE-0-2020-7695)
Vulnerability from cvelistv5 – Published: 2020-07-27 11:25 – Updated: 2024-09-17 00:06
VLAI?
Summary
Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.
Severity ?
CWE
- HTTP Response Splitting
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Credits
Everardo Padilla Saca
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T09:41:01.560Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/encode/uvicorn"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "uvicorn",
"vendor": "n/a",
"versions": [
{
"lessThan": "unspecified",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Everardo Padilla Saca"
}
],
"datePublic": "2020-07-27T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"exploitCodeMaturity": "PROOF_OF_CONCEPT",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"remediationLevel": "UNAVAILABLE",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 5,
"temporalSeverity": "MEDIUM",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "HTTP Response Splitting",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-07-29T18:45:49",
"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
"shortName": "snyk"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/encode/uvicorn"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471"
}
],
"title": "HTTP Response Splitting",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "report@snyk.io",
"DATE_PUBLIC": "2020-07-27T11:23:53.870794Z",
"ID": "CVE-2020-7695",
"STATE": "PUBLIC",
"TITLE": "HTTP Response Splitting"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "uvicorn",
"version": {
"version_data": [
{
"version_affected": "\u003e=",
"version_value": "0"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Everardo Padilla Saca"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "HTTP Response Splitting"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/encode/uvicorn",
"refsource": "MISC",
"url": "https://github.com/encode/uvicorn"
},
{
"name": "https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471",
"refsource": "MISC",
"url": "https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
"assignerShortName": "snyk",
"cveId": "CVE-2020-7695",
"datePublished": "2020-07-27T11:25:16.789872Z",
"dateReserved": "2020-01-21T00:00:00",
"dateUpdated": "2024-09-17T00:06:47.000Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:encode:uvicorn:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"0.11.7\", \"matchCriteriaId\": \"E750BB78-C143-4CA3-91BB-658416FB7748\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.\"}, {\"lang\": \"es\", \"value\": \"Uvicornio versiones anteriores a 0.11.7 es vulnerable a la divisi\\u00f3n de la respuesta HTTP.Las secuencias CRLF no escapaban en el valor de los encabezados HTTP. Los atacantes pueden explotar esto para agregar encabezados arbitrarios en las respuestas HTTP, o inclusive devolver un cuerpo de respuesta arbitrario, siempre que es usada una entrada dise\\u00f1ada para construir encabezados HTTP\"}]",
"id": "CVE-2020-7695",
"lastModified": "2024-11-21T05:37:37.720",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"report@snyk.io\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"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}]}",
"published": "2020-07-27T12:15:11.993",
"references": "[{\"url\": \"https://github.com/encode/uvicorn\", \"source\": \"report@snyk.io\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471\", \"source\": \"report@snyk.io\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/encode/uvicorn\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
"sourceIdentifier": "report@snyk.io",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-74\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2020-7695\",\"sourceIdentifier\":\"report@snyk.io\",\"published\":\"2020-07-27T12:15:11.993\",\"lastModified\":\"2024-11-21T05:37:37.720\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.\"},{\"lang\":\"es\",\"value\":\"Uvicornio versiones anteriores a 0.11.7 es vulnerable a la divisi\u00f3n de la respuesta HTTP.Las secuencias CRLF no escapaban en el valor de los encabezados HTTP. Los atacantes pueden explotar esto para agregar encabezados arbitrarios en las respuestas HTTP, o inclusive devolver un cuerpo de respuesta arbitrario, siempre que es usada una entrada dise\u00f1ada para construir encabezados HTTP\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"report@snyk.io\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"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\":\"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:encode:uvicorn:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.11.7\",\"matchCriteriaId\":\"E750BB78-C143-4CA3-91BB-658416FB7748\"}]}]}],\"references\":[{\"url\":\"https://github.com/encode/uvicorn\",\"source\":\"report@snyk.io\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471\",\"source\":\"report@snyk.io\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/encode/uvicorn\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…