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CERTFR-2015-AVI-109
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été corrigées dans Xen. Elles permettent à un attaquant de provoquer un déni de service, un contournement de la politique de sécurité et une élévation de privilèges.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Xen version 3.x et postérieures
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\u003eXen version 3.x et post\u00e9rieures\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": [
{
"name": "CVE-2015-2150",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-2150"
},
{
"name": "CVE-2015-2151",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-2151"
}
],
"links": [],
"reference": "CERTFR-2015-AVI-109",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2015-03-11T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eXen\u003c/span\u003e. Elles permettent \u00e0 un attaquant de provoquer\nun d\u00e9ni de service, un contournement de la politique de s\u00e9curit\u00e9 et une\n\u00e9l\u00e9vation de privil\u00e8ges.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-124 du 10 mars 2015",
"url": "http://xenbits.xen.org/xsa/advisory-124.html"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-123 du 10 mars 2015",
"url": "http://xenbits.xen.org/xsa/advisory-123.html"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-120 du 10 mars 2015",
"url": "http://xenbits.xen.org/xsa/advisory-120.html"
}
]
}
CVE-2015-2151 (GCVE-0-2015-2151)
Vulnerability from cvelistv5 – Published: 2015-03-12 14:00 – Updated: 2024-08-06 05:10
VLAI?
EPSS
Summary
The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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"url": "http://support.citrix.com/article/CTX200484"
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CVE-2015-2150 (GCVE-0-2015-2150)
Vulnerability from cvelistv5 – Published: 2015-03-12 14:00 – Updated: 2024-08-06 05:02
VLAI?
EPSS
Summary
Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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},
{
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],
"url": "http://www.securityfocus.com/bid/73014"
},
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],
"url": "https://seclists.org/bugtraq/2019/Aug/18"
}
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],
"url": "http://www.ubuntu.com/usn/USN-2631-1"
},
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"tags": [
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"url": "http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm"
},
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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.
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