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CERTFR-2018-AVI-171
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Citrix XenServer. Elles permettent à un attaquant de provoquer un déni de service.
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": "Citrix XenServer 6.0.2 Common Criteria sans le dernier correctif de s\u00e9curit\u00e9",
"product": {
"name": "XenServer",
"vendor": {
"name": "Citrix",
"scada": false
}
}
},
{
"description": "Citrix XenServer 6.2SP1 sans le dernier correctif de s\u00e9curit\u00e9",
"product": {
"name": "XenServer",
"vendor": {
"name": "Citrix",
"scada": false
}
}
},
{
"description": "Citrix XenServer 6.5SP1 sans le dernier correctif de s\u00e9curit\u00e9",
"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-2017-17566",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17566"
},
{
"name": "CVE-2018-7541",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-7541"
},
{
"name": "CVE-2017-17564",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17564"
},
{
"name": "CVE-2017-17563",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17563"
},
{
"name": "CVE-2017-17565",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17565"
},
{
"name": "CVE-2018-7540",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-7540"
}
],
"initial_release_date": "2018-04-06T00:00:00",
"last_revision_date": "2018-04-06T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 Citrix du 05 avril 2018",
"url": "https://support.citrix.com/article/CTX232096"
}
],
"reference": "CERTFR-2018-AVI-171",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2018-04-06T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Citrix XenServer.\nElles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Citrix XenServer",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX232096 du 05 avril 2018",
"url": null
}
]
}
CVE-2017-17563 (GCVE-0-2017-17563)
Vulnerability from cvelistv5
Published
2017-12-12 22:00
Modified
2024-08-05 20:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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},
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},
{
"name": "GLSA-201801-14",
"tags": [
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"url": "https://security.gentoo.org/glsa/201801-14"
},
{
"tags": [
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"url": "https://xenbits.xen.org/xsa/advisory-249.html"
},
{
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"tags": [
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"url": "https://www.debian.org/security/2018/dsa-4112"
},
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"url": "https://xenbits.xen.org/xsa/advisory-249.html"
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CVE-2018-7540 (GCVE-0-2018-7540)
Vulnerability from cvelistv5
Published
2018-02-27 19:00
Modified
2024-08-05 06:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://xenbits.xen.org/xsa/advisory-252.html"
},
{
"name": "GLSA-201810-06",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/201810-06"
},
{
"name": "1040773",
"tags": [
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],
"url": "http://www.securitytracker.com/id/1040773"
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},
{
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"tags": [
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"x_refsource_MLIST",
"x_transferred"
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"url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html"
},
{
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"x_refsource_BID",
"x_transferred"
],
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},
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],
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CVE-2017-17564 (GCVE-0-2017-17564)
Vulnerability from cvelistv5
Published
2017-12-12 22:00
Modified
2024-08-05 20:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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},
{
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CVE-2017-17566 (GCVE-0-2017-17566)
Vulnerability from cvelistv5
Published
2017-12-12 22:00
Modified
2024-08-05 20:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain auxiliary page.
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CVE-2018-7541 (GCVE-0-2018-7541)
Vulnerability from cvelistv5
Published
2018-02-27 19:00
Modified
2024-08-05 06:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.
References
| URL | Tags | ||||||||||||||||||||||||||||
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"name": "[debian-lts-announce] 20180306 [SECURITY] [DLA 1300-1] xen security update",
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{
"name": "1040775",
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{
"name": "DSA-4131",
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"url": "https://www.debian.org/security/2018/dsa-4131"
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{
"name": "https://support.citrix.com/article/CTX232655",
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"datePublished": "2018-02-27T19:00:00",
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CVE-2017-17565 (GCVE-0-2017-17565)
Vulnerability from cvelistv5
Published
2017-12-12 22:00
Modified
2024-08-05 20:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) if shadow mode and log-dirty mode are in place, because of an incorrect assertion related to M2P.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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},
{
"tags": [
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"x_transferred"
],
"url": "https://xenbits.xen.org/xsa/advisory-251.html"
},
{
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},
{
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},
{
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},
{
"tags": [
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"url": "https://support.citrix.com/article/CTX232096"
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"title": "CVE Program Container"
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"url": "https://xenbits.xen.org/xsa/advisory-251.html"
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{
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},
{
"name": "GLSA-201801-14",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO"
],
"url": "https://security.gentoo.org/glsa/201801-14"
},
{
"name": "102175",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/102175"
},
{
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"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2018/dsa-4112"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.citrix.com/article/CTX232096"
}
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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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