WID-SEC-W-2023-2900
Vulnerability from csaf_certbund - Published: 2023-11-14 23:00 - Updated: 2024-09-22 22:00Summary
Xen: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.
Angriff
Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- Linux
- UNIX
- Windows
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) f\u00fcr die darauf laufenden Systeme (Domains) paravirtualisiert.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2023-2900 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2900.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-2900 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2900"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4945-1 vom 2023-12-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017515.html"
},
{
"category": "external",
"summary": "Xen Security Advisory XSA-445 vom 2023-11-14",
"url": "https://xenbits.xen.org/xsa/advisory-445.html"
},
{
"category": "external",
"summary": "Xen Security Advisory XSA-446 vom 2023-11-14",
"url": "https://xenbits.xen.org/xsa/advisory-446.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2023-E62DA41072 vom 2023-11-15",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-e62da41072"
},
{
"category": "external",
"summary": "Citrix Security Advisory CTX583037 vom 2023-11-15",
"url": "https://support.citrix.com/article/CTX583037"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4466-1 vom 2023-11-16",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017053.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4476-1 vom 2023-11-17",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017058.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4475-1 vom 2023-11-17",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017059.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4484-1 vom 2023-11-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017126.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4485-1 vom 2023-11-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017125.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4486-1 vom 2023-11-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017124.html"
},
{
"category": "external",
"summary": "Gentoo Linux Security Advisory GLSA-202409-10 vom 2024-09-22",
"url": "https://security.gentoo.org/glsa/202409-10"
}
],
"source_lang": "en-US",
"title": "Xen: Mehrere Schwachstellen erm\u00f6glichen Offenlegung von Informationen",
"tracking": {
"current_release_date": "2024-09-22T22:00:00.000+00:00",
"generator": {
"date": "2024-09-23T08:05:16.752+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.8"
}
},
"id": "WID-SEC-W-2023-2900",
"initial_release_date": "2023-11-14T23:00:00.000+00:00",
"revision_history": [
{
"date": "2023-11-14T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-11-15T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Fedora und Citrix aufgenommen"
},
{
"date": "2023-11-16T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-11-20T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-12-21T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-09-22T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Gentoo aufgenommen"
}
],
"status": "final",
"version": "6"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Citrix Systems Hypervisor",
"product": {
"name": "Citrix Systems Hypervisor",
"product_id": "T016872",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:hypervisor:-"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems XenServer",
"product": {
"name": "Citrix Systems XenServer",
"product_id": "T004077",
"product_identification_helper": {
"cpe": "cpe:/a:citrix:xenserver:-"
}
}
}
],
"category": "vendor",
"name": "Citrix Systems"
},
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"category": "product_name",
"name": "Gentoo Linux",
"product": {
"name": "Gentoo Linux",
"product_id": "T012167",
"product_identification_helper": {
"cpe": "cpe:/o:gentoo:linux:-"
}
}
}
],
"category": "vendor",
"name": "Gentoo"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c4.17.x",
"product": {
"name": "Open Source Xen \u003c4.17.x",
"product_id": "T031107"
}
},
{
"category": "product_version",
"name": "4.17.x",
"product": {
"name": "Open Source Xen 4.17.x",
"product_id": "T031107-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:xen:xen:4.17.x"
}
}
},
{
"category": "product_version_range",
"name": "\u003c4.16.x",
"product": {
"name": "Open Source Xen \u003c4.16.x",
"product_id": "T031108"
}
},
{
"category": "product_version",
"name": "4.16.x",
"product": {
"name": "Open Source Xen 4.16.x",
"product_id": "T031108-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:xen:xen:4.16.x"
}
}
},
{
"category": "product_version_range",
"name": "\u003c4.15.x",
"product": {
"name": "Open Source Xen \u003c4.15.x",
"product_id": "T031109"
}
},
{
"category": "product_version",
"name": "4.15.x",
"product": {
"name": "Open Source Xen 4.15.x",
"product_id": "T031109-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:xen:xen:4.15.x"
}
}
}
],
"category": "product_name",
"name": "Xen"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-46835",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle in Xen. Dieser Fehler besteht in den IOMMU-Quarant\u00e4ne-Seitentabellenebenen aufgrund einer Unstimmigkeit zwischen den Ebenen, die dazu f\u00fchrt, dass der Lese-/Schreibzugriff zwischen Ger\u00e4tezuweisungen nicht mehr gel\u00f6scht wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen offenzulegen."
}
],
"product_status": {
"known_affected": [
"T004077",
"T002207",
"T031108",
"T031107",
"T031109",
"T012167",
"T016872",
"74185"
]
},
"release_date": "2023-11-14T23:00:00.000+00:00",
"title": "CVE-2023-46835"
},
{
"cve": "CVE-2023-46836",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle in Xen. Dieser Fehler besteht aufgrund eines unvollst\u00e4ndigen Sicherheitsupdates f\u00fcr BTC/SRSO, das es erm\u00f6glicht, den Inhalt des Speichers anderer Maschinen zu ermitteln. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen offenzulegen."
}
],
"product_status": {
"known_affected": [
"T004077",
"T002207",
"T031109",
"T012167",
"T016872",
"74185"
]
},
"release_date": "2023-11-14T23:00:00.000+00:00",
"title": "CVE-2023-46836"
}
]
}
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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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