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CERTFR-2022-AVI-133
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans Citrix Hypervisor. Elles permettent à un attaquant de provoquer un déni de service au niveau de l'hyperviseur depuis une machine virtuelle et une atteinte à la confidentialité des données.
La CVE-2022-23034 concerne les hyperviseurs sur lesquels des machines virtuelles en mode "paravirtualisé" (PV).
La CVE-2022-23035 concerne les hyperviseurs sur lesquels des machines virtuelles ont accès à un périphérique PCI grâce au mode "PCI passthrough".
La CVE-2022-0145 concerne une vulnérabilité affectant certains CPU Intel.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description |
|---|
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "",
"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-2022-23035",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23035"
},
{
"name": "CVE-2022-0145",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0145"
},
{
"name": "CVE-2021-0145",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-0145"
},
{
"name": "CVE-2022-23034",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23034"
}
],
"links": [],
"reference": "CERTFR-2022-AVI-133",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-02-10T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Citrix Hypervisor.\nElles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service au\nniveau de l\u0027hyperviseur depuis une machine virtuelle et une atteinte \u00e0\nla confidentialit\u00e9 des donn\u00e9es.\n\nLa CVE-2022-23034 concerne les hyperviseurs sur lesquels des machines\nvirtuelles en mode \"paravirtualis\u00e9\" (PV).\n\nLa CVE-2022-23035 concerne les hyperviseurs sur lesquels des machines\nvirtuelles ont acc\u00e8s \u00e0 un p\u00e9riph\u00e9rique PCI gr\u00e2ce au mode \"PCI\npassthrough\".\n\nLa CVE-2022-0145 concerne une vuln\u00e9rabilit\u00e9 affectant certains CPU\nIntel.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Citrix Hypervisor",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX337526 du 08 f\u00e9vrier 2022",
"url": "https://support.citrix.com/article/CTX337526"
}
]
}
CVE-2021-0145 (GCVE-0-2021-0145)
Vulnerability from cvelistv5 – Published: 2022-02-09 22:04 – Updated: 2025-05-05 17:00
VLAI?
EPSS
Summary
Improper initialization of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Severity ?
5.5 (Medium)
CWE
- information disclosure
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Processors |
Affected:
See references
|
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CVE-2022-23034 (GCVE-0-2022-23034)
Vulnerability from cvelistv5 – Published: 2022-01-25 13:43 – Updated: 2024-08-03 03:28
VLAI?
EPSS
Summary
A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unmapping of such a mapping can be requested in two steps. The reference count for such a mapping would then mistakenly be decremented twice. Underflow of the counters gets detected, resulting in the triggering of a hypervisor bug check.
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
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CVE-2022-23035 (GCVE-0-2022-23035)
Vulnerability from cvelistv5 – Published: 2022-01-25 13:46 – Updated: 2024-08-03 03:28
VLAI?
EPSS
Summary
Insufficient cleanup of passed-through device IRQs The management of IRQs associated with physical devices exposed to x86 HVM guests involves an iterative operation in particular when cleaning up after the guest's use of the device. In the case where an interrupt is not quiescent yet at the time this cleanup gets invoked, the cleanup attempt may be scheduled to be retried. When multiple interrupts are involved, this scheduling of a retry may get erroneously skipped. At the same time pointers may get cleared (resulting in a de-reference of NULL) and freed (resulting in a use-after-free), while other code would continue to assume them to be valid.
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Julien Grall of Amazon.'}]}}}
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CVE-2022-0145 (GCVE-0-2022-0145)
Vulnerability from cvelistv5 – Published: 2022-03-24 10:35 – Updated: 2024-08-02 23:18
VLAI?
EPSS
Summary
Cross-site Scripting (XSS) - Stored in GitHub repository forkcms/forkcms prior to 5.11.1.
Severity ?
6.8 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| forkcms | forkcms/forkcms |
Affected:
unspecified , < 5.11.1
(custom)
|
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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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