gsd-2021-21238
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
PySAML2 is a pure python implementation of SAML Version 2 Standard. PySAML2 before 6.5.0 has an improper verification of cryptographic signature vulnerability. All users of pysaml2 that need to validate signed SAML documents are impacted. The vulnerability is a variant of XML Signature wrapping because it did not validate the SAML document against an XML schema. This allowed invalid XML documents to be processed and such a document can trick pysaml2 with a wrapped signature. This is fixed in PySAML2 6.5.0.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21238",
"description": "PySAML2 is a pure python implementation of SAML Version 2 Standard. PySAML2 before 6.5.0 has an improper verification of cryptographic signature vulnerability. All users of pysaml2 that need to validate signed SAML documents are impacted. The vulnerability is a variant of XML Signature wrapping because it did not validate the SAML document against an XML schema. This allowed invalid XML documents to be processed and such a document can trick pysaml2 with a wrapped signature. This is fixed in PySAML2 6.5.0.",
"id": "GSD-2021-21238",
"references": [
"https://www.suse.com/security/cve/CVE-2021-21238.html",
"https://security.archlinux.org/CVE-2021-21238"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"id": "GSD-2021-21238",
"modified": "2023-12-13T01:23:10.876543Z",
"schema_version": "1.4.0"
}
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}
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"gitlab.com": {
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"cwe_ids": [
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],
"date": "2021-01-29",
"description": "PySAML2 is a pure python implementation of SAML Version 2 Standard. PySAML2 has an improper verification of cryptographic signature vulnerability. All users of pysaml2 that need to validate signed SAML documents are impacted. The vulnerability is a variant of XML Signature wrapping because it did not validate the SAML document against an XML schema. This allowed invalid XML documents to be processed and such a document can trick pysaml2 with a wrapped signature. This is fixed in PySAML2 ",
"fixed_versions": [
"6.5.0"
],
"identifier": "CVE-2021-21238",
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"GHSA-f4g9-h89h-jgv9"
],
"not_impacted": "All versions starting from 6.5.0",
"package_slug": "pypi/pysaml2",
"pubdate": "2021-01-21",
"solution": "Upgrade to version 6.5.0 or above.",
"title": "Improper Verification of Cryptographic Signature",
"urls": [
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],
"uuid": "953fd629-865b-4af3-ac39-ab0c2d588a77"
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
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"impactScore": 3.6
}
},
"lastModifiedDate": "2021-01-29T17:58Z",
"publishedDate": "2021-01-21T15:15Z"
}
}
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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