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CERTFR-2014-AVI-055
Vulnerability from certfr_avis
De multiples vulnérabilités ont été corrigées dans Xen. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Toutes les versions de Xen depuis la 3.2
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\u003eToutes les versions de Xen depuis la 3.2\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-2014-1892",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1892"
},
{
"name": "CVE-2014-1896",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1896"
},
{
"name": "CVE-2014-1894",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1894"
},
{
"name": "CVE-2014-1893",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1893"
},
{
"name": "CVE-2014-1891",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1891"
},
{
"name": "CVE-2014-1666",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1666"
},
{
"name": "CVE-2014-1895",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1895"
}
],
"initial_release_date": "2014-02-10T00:00:00",
"last_revision_date": "2014-02-10T00:00:00",
"links": [],
"reference": "CERTFR-2014-AVI-055",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2014-02-10T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"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. Certaines d\u0027entre elles permettent \u00e0 un\nattaquant de provoquer une ex\u00e9cution de code arbitraire, un d\u00e9ni de\nservice et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-85 du 06 f\u00e9vrier 2014",
"url": "http://xenbits.xenproject.org/xsa/advisory-85.html"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-87 du 06 f\u00e9vrier 2014",
"url": "http://xenbits.xenproject.org/xsa/advisory-87.html"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-84 du 06 f\u00e9vrier 2014",
"url": "http://xenbits.xenproject.org/xsa/advisory-84.html"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-86 du 06 f\u00e9vrier 2014",
"url": "http://xenbits.xenproject.org/xsa/advisory-86.html"
}
]
}
CVE-2014-1894 (GCVE-0-2014-1894)
Vulnerability from cvelistv5
Published
2014-04-01 01:00
Modified
2024-08-06 09:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Multiple integer overflows in unspecified suboperations in the flask hypercall in Xen 3.2.x and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1891, CVE-2014-1892, and CVE-2014-1893.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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CVE-2014-1895 (GCVE-0-2014-1895)
Vulnerability from cvelistv5
Published
2014-04-01 01:00
Modified
2024-08-06 09:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2014-1893 (GCVE-0-2014-1893)
Vulnerability from cvelistv5
Published
2014-04-01 01:00
Modified
2024-08-06 09:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Multiple integer overflows in the (1) FLASK_GETBOOL and (2) FLASK_SETBOOL suboperations in the flask hypercall in Xen 4.1.x, 3.3.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1891, CVE-2014-1892, and CVE-2014-1894.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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CVE-2014-1891 (GCVE-0-2014-1891)
Vulnerability from cvelistv5
Published
2014-04-01 01:00
Modified
2024-08-06 09:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894.
References
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CVE-2014-1666 (GCVE-0-2014-1666)
Vulnerability from cvelistv5
Published
2014-01-26 11:00
Modified
2024-08-06 09:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
References
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CVE-2014-1892 (GCVE-0-2014-1892)
Vulnerability from cvelistv5
Published
2014-04-01 01:00
Modified
2024-08-06 09:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Xen 3.3 through 4.1, when XSM is enabled, allows local users to cause a denial of service via vectors related to a "large memory allocation," a different vulnerability than CVE-2014-1891, CVE-2014-1893, and CVE-2014-1894.
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CVE-2014-1896 (GCVE-0-2014-1896)
Vulnerability from cvelistv5
Published
2014-04-01 01:00
Modified
2024-08-06 09:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
References
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"name": "[oss-security] 20140210 Xen Security Advisory 86 (CVE-2014-1896) - libvchan failure handling malicious ring indexes",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2014/02/10/7"
},
{
"name": "[oss-security] 20140207 Re: Xen Security Advisory 84 - integer overflow in several XSM/Flask hypercalls",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2014/02/07/12"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2014-1896",
"datePublished": "2014-04-01T01:00:00",
"dateReserved": "2014-02-07T00:00:00",
"dateUpdated": "2024-08-06T09:58:15.436Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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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