CVE-2024-35225 (GCVE-0-2024-35225)
Vulnerability from cvelistv5
Published
2024-06-11 21:45
Modified
2024-08-02 03:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Jupyter Server Proxy allows users to run arbitrary external processes alongside their notebook server and provide authenticated web access to them. Versions of 3.x prior to 3.2.4 and 4.x prior to 4.2.0 have a reflected cross-site scripting (XSS) issue. The `/proxy` endpoint accepts a `host` path segment in the format `/proxy/<host>`. When this endpoint is called with an invalid `host` value, `jupyter-server-proxy` replies with a response that includes the value of `host`, without sanitization [2]. A third-party actor can leverage this by sending a phishing link with an invalid `host` value containing custom JavaScript to a user. When the user clicks this phishing link, the browser renders the response of `GET /proxy/<host>`, which runs the custom JavaScript contained in `host` set by the actor. As any arbitrary JavaScript can be run after the user clicks on a phishing link, this issue permits extensive access to the user's JupyterLab instance for an actor. Patches are included in versions 4.2.0 and 3.2.4. As a workaround, server operators who are unable to upgrade can disable the `jupyter-server-proxy` extension.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| jupyterhub | jupyter-server-proxy |
Version: >= 3.0.0, < 3.2.4 Version: >= 4.0.0, < 4.2.0 |
{
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{
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{
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{
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}
]
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{
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],
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{
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]
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"metrics": [
{
"other": {
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"options": [
{
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},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-12T13:21:20.105024Z",
"version": "2.0.3"
},
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],
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},
{
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"tags": [
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"title": "CVE Program Container"
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"cna": {
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{
"product": "jupyter-server-proxy",
"vendor": "jupyterhub",
"versions": [
{
"status": "affected",
"version": "\u003e= 3.0.0, \u003c 3.2.4"
},
{
"status": "affected",
"version": "\u003e= 4.0.0, \u003c 4.2.0"
}
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}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.7,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
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}
]
},
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"description": "CWE-116: Improper Encoding or Escaping of Output",
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}
]
}
],
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"shortName": "GitHub_M"
},
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"tags": [
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],
"url": "https://github.com/jupyterhub/jupyter-server-proxy/security/advisories/GHSA-fvcq-4x64-hqxr"
},
{
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"tags": [
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}
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"source": {
"advisory": "GHSA-fvcq-4x64-hqxr",
"discovery": "UNKNOWN"
},
"title": "Jupyter Server Proxy has a reflected XSS issue in host parameter"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"datePublished": "2024-06-11T21:45:57.596Z",
"dateReserved": "2024-05-14T15:39:41.784Z",
"dateUpdated": "2024-08-02T03:07:46.821Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"vulnrichment": {
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}
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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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