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CERTFR-2023-AVI-0823
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans les produits Citrix. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance 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).
- NetScaler ADC et NetScaler Gateway versions 14.1.x antérieures à 14.1-8.50
- NetScaler ADC et NetScaler Gateway versions 13.1.x antérieures à 13.1-49.15
- NetScaler ADC et NetScaler Gateway versions 13.0.x antérieures à 13.0-92.19
- NetScaler ADC 13.1-FIPS versions antérieures à 13.1-37.164
- NetScaler ADC 12.1-FIPS versions antérieures à 12.1-55.300
- NetScaler ADC 12.1-NDcPP versions antérieures à 12.1-55.300
- Citrix Hypervisor 8.2 CU1 LTSR sans les correctifs de sécurité XS82ECU1047, XS82ECU1049, XS82ECU1051, XS82ECU1052 et XS82ECU1054 si les conditions d'exploitation sont réunies (se référer à l'avis de l'éditeur, cf. section Documentation)
Citrix indique que NetScaler ADC et NetScaler Gateway versions 12.1 sont obsolètes.
Impacted products
| Vendor | Product | Description |
|---|
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "\u003cul\u003e \u003cli\u003eNetScaler ADC et NetScaler Gateway versions 14.1.x ant\u00e9rieures \u00e0 14.1-8.50\u003c/li\u003e \u003cli\u003eNetScaler ADC et NetScaler Gateway versions 13.1.x ant\u00e9rieures \u00e0 \u202f13.1-49.15\u003c/li\u003e \u003cli\u003eNetScaler ADC\u00a0et NetScaler Gateway versions 13.0.x ant\u00e9rieures \u00e0 13.0-92.19\u003c/li\u003e \u003cli\u003eNetScaler ADC 13.1-FIPS versions ant\u00e9rieures \u00e0 13.1-37.164\u003c/li\u003e \u003cli\u003eNetScaler ADC 12.1-FIPS versions ant\u00e9rieures \u00e0 12.1-55.300\u003c/li\u003e \u003cli\u003eNetScaler ADC 12.1-NDcPP versions ant\u00e9rieures \u00e0 12.1-55.300\u003c/li\u003e \u003cli\u003eCitrix Hypervisor 8.2 CU1 LTSR sans les correctifs de s\u00e9curit\u00e9 XS82ECU1047, XS82ECU1049, XS82ECU1051, XS82ECU1052 et XS82ECU1054 si les conditions d\u0027exploitation sont r\u00e9unies (se r\u00e9f\u00e9rer \u00e0 l\u0027avis de l\u0027\u00e9diteur, cf. section Documentation)\u003c/li\u003e \u003c/ul\u003e \u003cp\u003eCitrix indique que NetScaler ADC et NetScaler Gateway versions 12.1 sont obsol\u00e8tes.\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-2023-4967",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-4967"
},
{
"name": "CVE-2023-34327",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-34327"
},
{
"name": "CVE-2023-34326",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-34326"
},
{
"name": "CVE-2023-20588",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-20588"
},
{
"name": "CVE-2023-34324",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-34324"
},
{
"name": "CVE-2023-4966",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-4966"
},
{
"name": "CVE-2022-1304",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1304"
}
],
"initial_release_date": "2023-10-11T00:00:00",
"last_revision_date": "2023-10-11T00:00:00",
"links": [],
"reference": "CERTFR-2023-AVI-0823",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2023-10-11T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits\nCitrix. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de\ncode arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et une\natteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Citrix",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX575089 du 10 octobre 2023",
"url": "https://support.citrix.com/article/CTX575089/citrix-hypervisor-multiple-security-updates"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX579459 du 10 octobre 2023",
"url": "https://support.citrix.com/article/CTX579459/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20234966-and-cve20234967"
}
]
}
CVE-2023-20588 (GCVE-0-2023-20588)
Vulnerability from cvelistv5
Published
2023-08-08 17:06
Modified
2024-10-17 14:23
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
References
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMD | EPYC™ 7001 Processors |
Version: various |
||||||||||||||||||||||
|
||||||||||||||||||||||||
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CVE-2023-34327 (GCVE-0-2023-34327)
Vulnerability from cvelistv5
Published
2024-01-05 16:34
Modified
2025-06-03 14:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
[This CNA information record relates to multiple CVEs; the
text explains which aspects/vulnerabilities correspond to which CVE.]
AMD CPUs since ~2014 have extensions to normal x86 debugging functionality.
Xen supports guests using these extensions.
Unfortunately there are errors in Xen's handling of the guest state, leading
to denials of service.
1) CVE-2023-34327 - An HVM vCPU can end up operating in the context of
a previous vCPUs debug mask state.
2) CVE-2023-34328 - A PV vCPU can place a breakpoint over the live GDT.
This allows the PV vCPU to exploit XSA-156 / CVE-2015-8104 and lock
up the CPU entirely.
References
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CVE-2023-34324 (GCVE-0-2023-34324)
Vulnerability from cvelistv5
Published
2024-01-05 16:30
Modified
2025-06-05 19:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Closing of an event channel in the Linux kernel can result in a deadlock.
This happens when the close is being performed in parallel to an unrelated
Xen console action and the handling of a Xen console interrupt in an
unprivileged guest.
The closing of an event channel is e.g. triggered by removal of a
paravirtual device on the other side. As this action will cause console
messages to be issued on the other side quite often, the chance of
triggering the deadlock is not neglectable.
Note that 32-bit Arm-guests are not affected, as the 32-bit Linux kernel
on Arm doesn't use queued-RW-locks, which are required to trigger the
issue (on Arm32 a waiting writer doesn't block further readers to get
the lock).
References
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CVE-2023-4967 (GCVE-0-2023-4967)
Vulnerability from cvelistv5
Published
2023-10-27 18:01
Modified
2025-02-27 20:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Summary
Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cloud Software Group | NetScaler ADC |
Version: 14.1 Version: 13.1 Version: 13.0 Version: 13.1-FIPS Version: 12.1-FIPS Version: 12.1-NDcPP |
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CVE-2023-4966 (GCVE-0-2023-4966)
Vulnerability from cvelistv5
Published
2023-10-10 13:12
Modified
2025-07-30 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Summary
Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Citrix | NetScaler ADC |
Version: 14.1 Version: 13.1 Version: 13.0 Version: 13.1-FIPS Version: 12.1-FIPS Version: 12.1-NDcPP |
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CVE-2022-1304 (GCVE-0-2022-1304)
Vulnerability from cvelistv5
Published
2022-04-14 20:05
Modified
2025-04-23 18:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - (|CWE-787)
Summary
An out-of-bounds read/write vulnerability was found in e2fsprogs 1.46.5. This issue leads to a segmentation fault and possibly arbitrary code execution via a specially crafted filesystem.
References
| URL | Tags | ||||
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"value": "An out-of-bounds read/write vulnerability was found in e2fsprogs 1.46.5. This issue leads to a segmentation fault and possibly arbitrary code execution via a specially crafted filesystem."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "(CWE-125|CWE-787)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-04-14T20:05:47.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2069726"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2022-1304",
"datePublished": "2022-04-14T20:05:47.000Z",
"dateReserved": "2022-04-11T00:00:00.000Z",
"dateUpdated": "2025-04-23T18:39:51.708Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2023-34326 (GCVE-0-2023-34326)
Vulnerability from cvelistv5
Published
2024-01-05 16:30
Modified
2025-06-18 15:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The caching invalidation guidelines from the AMD-Vi specification (48882—Rev
3.07-PUB—Oct 2022) is incorrect on some hardware, as devices will malfunction
(see stale DMA mappings) if some fields of the DTE are updated but the IOMMU
TLB is not flushed.
Such stale DMA mappings can point to memory ranges not owned by the guest, thus
allowing access to unindented memory regions.
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T16:10:06.955Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://xenbits.xenproject.org/xsa/advisory-442.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-34326",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-03-14T20:27:29.871651Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-672",
"description": "CWE-672 Operation on a Resource after Expiration or Release",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-06-18T15:48:27.234Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Xen",
"vendor": "Xen",
"versions": [
{
"status": "unknown",
"version": "consult Xen advisory XSA-442"
}
]
}
],
"configurations": [
{
"lang": "en",
"value": "All Xen versions supporting PCI passthrough are affected.\n\nOnly x86 AMD systems with IOMMU hardware are vulnerable.\n\nOnly x86 guests which have physical devices passed through to them can\nleverage the vulnerability.\n"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "This issue was discovered by Roger Pau Monn\u00e9 of XenServer.\n"
}
],
"datePublic": "2023-10-10T11:26:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "The caching invalidation guidelines from the AMD-Vi specification (48882\u2014Rev\n3.07-PUB\u2014Oct 2022) is incorrect on some hardware, as devices will malfunction\n(see stale DMA mappings) if some fields of the DTE are updated but the IOMMU\nTLB is not flushed.\n\nSuch stale DMA mappings can point to memory ranges not owned by the guest, thus\nallowing access to unindented memory regions.\n"
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "Privilege escalation, Denial of Service (DoS) affecting the entire host,\nand information leaks.\n"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-05T16:30:57.225Z",
"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"shortName": "XEN"
},
"references": [
{
"url": "https://xenbits.xenproject.org/xsa/advisory-442.html"
}
],
"title": "x86/AMD: missing IOMMU TLB flushing",
"workarounds": [
{
"lang": "en",
"value": "Not passing through physical devices to guests will avoid the vulnerability.\n"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"assignerShortName": "XEN",
"cveId": "CVE-2023-34326",
"datePublished": "2024-01-05T16:30:57.225Z",
"dateReserved": "2023-06-01T10:44:17.065Z",
"dateUpdated": "2025-06-18T15:48:27.234Z",
"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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