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Add CVE-2021-41194 for GHSA-5xvc-vgmp-jgc3

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Add CVE-2021-41194 for GHSA-5xvc-vgmp-jgc3
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advisory-db[bot] 2021-10-28 19:37:44 +00:00 committed by GitHub
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2021/41xxx/CVE-2021-41194.json
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@ -1,18 +1,93 @@
{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2021-41194",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "Improper Access Control in jupyterhub-firstuseauthenticator"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "firstuseauthenticator",
"version": {
"version_data": [
{
"version_value": "< 1.0.0"
}
]
}
}
]
},
"vendor_name": "jupyterhub"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
"value": "FirstUseAuthenticator is a JupyterHub authenticator that helps new users set their password on their first login to JupyterHub. When JupyterHub is used with FirstUseAuthenticator, a vulnerability in versions prior to 1.0.0 allows unauthorized access to any user's account if `create_users=True` and the username is known or guessed. One may upgrade to version 1.0.0 or apply a patch manually to mitigate the vulnerability. For those who cannot upgrade, there is no complete workaround, but a partial mitigation exists. One can disable user creation with `c.FirstUseAuthenticator.create_users = False`, which will only allow login with fully normalized usernames for already existing users prior to jupyterhub-firstuserauthenticator 1.0.0. If any users have never logged in with their normalized username (i.e. lowercase), they will still be vulnerable until a patch or upgrade occurs."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.1,
"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:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-284: Improper Access Control"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/jupyterhub/firstuseauthenticator/security/advisories/GHSA-5xvc-vgmp-jgc3",
"refsource": "CONFIRM",
"url": "https://github.com/jupyterhub/firstuseauthenticator/security/advisories/GHSA-5xvc-vgmp-jgc3"
},
{
"name": "https://github.com/jupyterhub/firstuseauthenticator/pull/38",
"refsource": "MISC",
"url": "https://github.com/jupyterhub/firstuseauthenticator/pull/38"
},
{
"name": "https://github.com/jupyterhub/firstuseauthenticator/pull/38.patch",
"refsource": "MISC",
"url": "https://github.com/jupyterhub/firstuseauthenticator/pull/38.patch"
}
]
},
"source": {
"advisory": "GHSA-5xvc-vgmp-jgc3",
"discovery": "UNKNOWN"
}
}