CVE-2017-11427 (GCVE-0-2017-11427)
Vulnerability from cvelistv5 – Published: 2019-04-17 13:59 – Updated: 2024-08-05 18:12
VLAI?
Summary
OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
Severity ?
7.7 (High)
CWE
- CWE-287 - Improper Authentication
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OneLogin | PythonSAML |
Affected:
unspecified , < 2.3.0
(custom)
|
Credits
Kelby Ludwig of Duo Security
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T18:12:39.492Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.kb.cert.org/vuls/id/475445"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "PythonSAML",
"vendor": "OneLogin",
"versions": [
{
"lessThan": "2.3.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Kelby Ludwig of Duo Security"
}
],
"descriptions": [
{
"lang": "en",
"value": "OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287: Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2019-04-17T13:59:19",
"orgId": "7cd4c57f-0a88-4dda-be53-70336b413766",
"shortName": "duo"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.kb.cert.org/vuls/id/475445"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": " Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@duo.com",
"ID": "CVE-2017-11427",
"STATE": "PUBLIC",
"TITLE": " Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "PythonSAML",
"version": {
"version_data": [
{
"affected": "\u003c",
"version_affected": "\u003c",
"version_value": "2.3.0"
}
]
}
}
]
},
"vendor_name": "OneLogin"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Kelby Ludwig of Duo Security"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-287: Improper Authentication"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations",
"refsource": "MISC",
"url": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"
},
{
"name": "https://www.kb.cert.org/vuls/id/475445",
"refsource": "MISC",
"url": "https://www.kb.cert.org/vuls/id/475445"
}
]
},
"source": {
"discovery": "INTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7cd4c57f-0a88-4dda-be53-70336b413766",
"assignerShortName": "duo",
"cveId": "CVE-2017-11427",
"datePublished": "2019-04-17T13:59:19",
"dateReserved": "2017-07-18T00:00:00",
"dateUpdated": "2024-08-05T18:12:39.492Z",
"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:onelogin:pythonsaml:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"2.3.0\", \"matchCriteriaId\": \"3804188A-61A9-4CF7-A57C-D6329D14A3A8\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.\"}, {\"lang\": \"es\", \"value\": \"OneLogin PythonSAML versi\\u00f3n 2.3.0 y versiones anteriores pueden utilizar incorrectamente los resultados de las API de automatizaci\\u00f3n y canonicalizaci\\u00f3n de XML DOM de tal manera que un atacante pueda manipular los datos SAML sin invalidar la firma criptogr\\u00e1fica, lo que permite que el ataque omita la identificaci\\u00f3n de los proveedores de servicio SAML\"}]",
"id": "CVE-2017-11427",
"lastModified": "2024-11-21T03:07:46.187",
"metrics": "{\"cvssMetricV30\": [{\"source\": \"security@duo.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N\", \"baseScore\": 7.7, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.1, \"impactScore\": 4.0}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2019-04-17T14:29:00.247",
"references": "[{\"url\": \"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations\", \"source\": \"security@duo.com\", \"tags\": [\"Exploit\", \"Technical Description\", \"Third Party Advisory\"]}, {\"url\": \"https://www.kb.cert.org/vuls/id/475445\", \"source\": \"security@duo.com\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Technical Description\", \"Third Party Advisory\"]}, {\"url\": \"https://www.kb.cert.org/vuls/id/475445\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}]",
"sourceIdentifier": "security@duo.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"security@duo.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2017-11427\",\"sourceIdentifier\":\"security@duo.com\",\"published\":\"2019-04-17T14:29:00.247\",\"lastModified\":\"2024-11-21T03:07:46.187\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.\"},{\"lang\":\"es\",\"value\":\"OneLogin PythonSAML versi\u00f3n 2.3.0 y versiones anteriores pueden utilizar incorrectamente los resultados de las API de automatizaci\u00f3n y canonicalizaci\u00f3n de XML DOM de tal manera que un atacante pueda manipular los datos SAML sin invalidar la firma criptogr\u00e1fica, lo que permite que el ataque omita la identificaci\u00f3n de los proveedores de servicio SAML\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"security@duo.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.1,\"impactScore\":4.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@duo.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:onelogin:pythonsaml:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.3.0\",\"matchCriteriaId\":\"3804188A-61A9-4CF7-A57C-D6329D14A3A8\"}]}]}],\"references\":[{\"url\":\"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations\",\"source\":\"security@duo.com\",\"tags\":[\"Exploit\",\"Technical Description\",\"Third Party Advisory\"]},{\"url\":\"https://www.kb.cert.org/vuls/id/475445\",\"source\":\"security@duo.com\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Technical Description\",\"Third Party Advisory\"]},{\"url\":\"https://www.kb.cert.org/vuls/id/475445\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]}]}}"
}
}
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…