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CERTFR-2014-AVI-504
Vulnerability from certfr_avis
De multiples vulnérabilités ont été corrigées dans Citrix XenServer. Elles permettent à un attaquant de provoquer 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).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "XenServer 6.1.0",
"product": {
"name": "XenServer",
"vendor": {
"name": "Citrix",
"scada": false
}
}
},
{
"description": "XenServer 6.2.0",
"product": {
"name": "XenServer",
"vendor": {
"name": "Citrix",
"scada": false
}
}
},
{
"description": "XenServer 6.0.2",
"product": {
"name": "XenServer",
"vendor": {
"name": "Citrix",
"scada": false
}
}
},
{
"description": "XenServer 6.0",
"product": {
"name": "XenServer",
"vendor": {
"name": "Citrix",
"scada": false
}
}
}
],
"affected_systems_content": null,
"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-2014-8866",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-8866"
},
{
"name": "CVE-2014-8867",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-8867"
},
{
"name": "CVE-2014-8595",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-8595"
},
{
"name": "CVE-2014-1666",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-1666"
}
],
"initial_release_date": "2014-12-05T00:00:00",
"last_revision_date": "2014-12-05T00:00:00",
"links": [],
"reference": "CERTFR-2014-AVI-504",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2014-12-05T00:00:00.000000"
}
],
"risks": [
{
"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\"\u003eCitrix XenServer\u003c/span\u003e. Elles permettent \u00e0 un attaquant\nde provoquer un contournement de la politique de s\u00e9curit\u00e9 et une\n\u00e9l\u00e9vation de privil\u00e8ges.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Citrix XenServer",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX200288 du 03 d\u00e9cembre 2014",
"url": "http://support.citrix.com/article/CTX200288"
}
]
}
CVE-2014-8867 (GCVE-0-2014-8867)
Vulnerability from cvelistv5
Published
2014-12-01 15:00
Modified
2024-08-06 13:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
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CVE-2014-8595 (GCVE-0-2014-8595)
Vulnerability from cvelistv5
Published
2014-11-19 18:00
Modified
2024-08-06 13:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
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CVE-2014-8866 (GCVE-0-2014-8866)
Vulnerability from cvelistv5
Published
2014-12-01 15:00
Modified
2024-08-06 13:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.
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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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Loading…
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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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