WID-SEC-W-2023-2543
Vulnerability from csaf_certbund - Published: 2023-10-03 22:00 - Updated: 2025-06-10 22:00Summary
GNU libc: Schwachstelle ermöglicht Privilegieneskalation
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
Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalität bereitstellt.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen oder seine Privilegien zu erweitern.
Betroffene Betriebssysteme
- Linux
- UNIX
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"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": "Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalit\u00e4t bereitstellt.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuf\u00fchren oder seine Privilegien zu erweitern.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"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-2023-2543 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2543.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-2543 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2543"
},
{
"category": "external",
"summary": "Github Security Advisory vom 2023-10-03",
"url": "https://github.com/advisories/GHSA-m77w-6vjw-wh2f"
},
{
"category": "external",
"summary": "GNU C Library Security Notification vom 2023-10-03",
"url": "https://seclists.org/oss-sec/2023/q4/18"
},
{
"category": "external",
"summary": "Gentoo Linux Security Advisory GLSA-202310-03 vom 2023-10-04",
"url": "https://security.gentoo.org/glsa/202310-03"
},
{
"category": "external",
"summary": "PoC\u0027s auf seclists.org",
"url": "https://seclists.org/oss-sec/2023/q4/42"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12850 vom 2023-10-05",
"url": "https://linux.oracle.com/errata/ELSA-2023-12850.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12851 vom 2023-10-06",
"url": "http://linux.oracle.com/errata/ELSA-2023-12851.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12854 vom 2023-10-06",
"url": "https://linux.oracle.com/errata/ELSA-2023-12854.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12853 vom 2023-10-09",
"url": "https://linux.oracle.com/errata/ELSA-2023-12853.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-5455 vom 2023-10-10",
"url": "https://linux.oracle.com/errata/ELSA-2023-5455.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-5453 vom 2023-10-10",
"url": "https://linux.oracle.com/errata/ELSA-2023-5453.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12872 vom 2023-10-12",
"url": "https://linux.oracle.com/errata/ELSA-2023-12872.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12873 vom 2023-10-12",
"url": "https://linux.oracle.com/errata/ELSA-2023-12873.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:5476 vom 2023-10-16",
"url": "https://access.redhat.com/errata/RHSA-2023:5476.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:5476 vom 2023-10-16",
"url": "https://rhn.redhat.com/errata/RHSA-2023:5476.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:5851 vom 2023-10-19",
"url": "https://access.redhat.com/errata/RHSA-2023:5851"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12974 vom 2023-11-13",
"url": "https://oss.oracle.com/pipermail/el-errata/2023-November/014870.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2024:0033 vom 2024-01-03",
"url": "https://access.redhat.com/errata/RHSA-2024:0033"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2024-12472 vom 2024-07-03",
"url": "https://linux.oracle.com/errata/ELSA-2024-12472.html"
},
{
"category": "external",
"summary": "Siemens Security Advisory SSA-082556 vom 2025-06-10",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
}
],
"source_lang": "en-US",
"title": "GNU libc: Schwachstelle erm\u00f6glicht Privilegieneskalation",
"tracking": {
"current_release_date": "2025-06-10T22:00:00.000+00:00",
"generator": {
"date": "2025-06-11T06:22:53.258+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.12"
}
},
"id": "WID-SEC-W-2023-2543",
"initial_release_date": "2023-10-03T22:00:00.000+00:00",
"revision_history": [
{
"date": "2023-10-03T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-10-04T22:00:00.000+00:00",
"number": "2",
"summary": "Exploit aufgenommen"
},
{
"date": "2023-10-08T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-10-09T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-10-10T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-10-12T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-10-15T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2023-10-18T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2023-11-13T23:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2024-01-03T23:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2024-07-03T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2025-06-10T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Siemens aufgenommen"
}
],
"status": "final",
"version": "12"
}
},
"product_tree": {
"branches": [
{
"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": [
{
"category": "product_name",
"name": "Open Source GNU libc",
"product": {
"name": "Open Source GNU libc",
"product_id": "T030192",
"product_identification_helper": {
"cpe": "cpe:/a:gnu:glibc:-"
}
}
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
},
{
"branches": [
{
"category": "product_version",
"name": "4",
"product": {
"name": "Red Hat Virtualization 4",
"product_id": "T013699",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:virtualization:4"
}
}
}
],
"category": "product_name",
"name": "Virtualization"
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "1500 CPU",
"product": {
"name": "Siemens SIMATIC S7 1500 CPU",
"product_id": "T025776",
"product_identification_helper": {
"cpe": "cpe:/h:siemens:simatic_s7:1500_cpu"
}
}
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],
"category": "product_name",
"name": "SIMATIC S7"
}
],
"category": "vendor",
"name": "Siemens"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-4911",
"product_status": {
"known_affected": [
"67646",
"T013699",
"T030192",
"T025776",
"T012167",
"T004914"
]
},
"release_date": "2023-10-03T22:00:00.000+00:00",
"title": "CVE-2023-4911"
}
]
}
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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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