CERTFR-2020-AVI-447
Vulnerability from certfr_avis
Une vulnérabilité a été découverte dans Xen. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Toute machine virtuelle basée sur un noyau linux 5.5 x86 ou supérieur, déployée en mode para-virtualisation (PV) sur un hôte Xen ne disposant pas du dernier correctif de sécurité.
Impacted products
| Vendor | Product | Description |
|---|
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "\u003cp\u003eToute machine virtuelle bas\u00e9e sur un noyau linux 5.5 x86 ou sup\u00e9rieur, d\u00e9ploy\u00e9e en mode para-virtualisation (PV) sur un h\u00f4te Xen ne disposant pas du dernier correctif de s\u00e9curit\u00e9.\u003c/p\u003e \u003cp\u003e\u0026nbsp;\u003c/p\u003e ",
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [],
"initial_release_date": "2020-07-17T00:00:00",
"last_revision_date": "2020-07-17T00:00:00",
"links": [],
"reference": "CERTFR-2020-AVI-447",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2020-07-17T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Xen. Elle permet \u00e0 un attaquant\nde provoquer un contournement de la politique de s\u00e9curit\u00e9.\n",
"title": "Vuln\u00e9rabilit\u00e9 dans Xen",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-329 du 16 juillet 2020",
"url": "https://xenbits.xen.org/xsa/advisory-329.html"
}
]
}
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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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