{"item": {"cve_id": "CVE-2023-4911", "ghsa_id": "", "osv_id": "", "title": "Glibc: buffer overflow in ld.so leading to privilege escalation", "description": "A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.", "published_at": "2023-10-03T18:15:10.463", "modified_at": "2026-06-17T06:38:52.787", "vendor": "Netapp", "product": "Bootstrap Os", "affected_versions": ["2.34"], "fixed_versions": [], "cvss_score": 7.8, "cvss_version": "3.1", "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "severity": "HIGH", "epss_score": 0.63769, "epss_percentile": 0.99202, "epss_date": "2026-10-06", "is_kev": true, "kev_date": "2023-11-21", "kev_due_date": "2023-12-12", "kev_action": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cwe_ids": ["CWE-122", "CWE-787"], "attack_vector": "LOCAL", "attack_complexity": "LOW", "privileges_required": "LOW", "user_interaction": "NONE", "references": ["https://access.redhat.com/errata/RHSA-2023:5453", "https://access.redhat.com/errata/RHSA-2023:5454", "https://access.redhat.com/errata/RHSA-2023:5455", "https://access.redhat.com/errata/RHSA-2023:5476", "https://access.redhat.com/errata/RHSA-2024:0033", "https://access.redhat.com/security/cve/CVE-2023-4911", "https://bugzilla.redhat.com/show_bug.cgi?id=2238352", "https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt", "https://www.qualys.com/cve-2023-4911/", "http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html", "http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html", "http://seclists.org/fulldisclosure/2023/Oct/11", "https://www.exploit-db.com/exploits/52479", "http://www.openwall.com/lists/oss-security/2023/10/03/2", "http://www.openwall.com/lists/oss-security/2023/10/03/3", "http://www.openwall.com/lists/oss-security/2023/10/05/1", "http://www.openwall.com/lists/oss-security/2023/10/13/11", 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"2.0.3", "timestamp": "2025-10-15T19:45:35.724824Z", "role": "CISA Coordinator"}, "affected_products": [{"vendor": "Netapp", "product": "Bootstrap Os", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Simatic s7-1500 Cpu 1518-4 Pn/dp Mfp Firmware", "ranges": ["à partir de 3.1.5"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Simatic s7-1500 Cpu 1518f-4 Pn/dp Mfp Firmware", "ranges": ["à partir de 3.1.5"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Siplus s7-1500 Cpu 1518-4 Pn/dp Mfp Firmware", "ranges": ["à partir de 3.1.5"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Simatic s7-1500 Tm Mfp Firmware", "ranges": ["avant 1.1"], "first_unaffected": ["1.1"], "source": "NVD"}, {"vendor": "Gnu", "product": "Glibc", "ranges": ["de 2.34 à 2.39 (exclue)"], "first_unaffected": ["2.39"], "source": "NVD"}, {"vendor": "Fedoraproject", "product": "Fedora", "ranges": ["37", "38", "39"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder", "ranges": ["9.0"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder Eus", "ranges": ["8.6", "9.2", "9.4", "9.6"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For arm64", "ranges": ["9.0_aarch64"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For arm64 Eus", "ranges": ["8.6", "9.2_aarch64", "9.4_aarch64", "9.6_aarch64"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Ibm Z Systems", "ranges": ["9.0_s390x"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Ibm Z Systems Eus", "ranges": ["8.6", "9.2_s390x", "9.4_s390x", "9.6_s390x"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Power Little Endian", "ranges": ["9.0_ppc64le"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Power Little Endian Eus", "ranges": ["8.6"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Canonical", "product": "Ubuntu Linux", "ranges": ["22.04"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h410c Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h300s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h500s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h700s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h410s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "Ontap Select Deploy Administration Utility", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "", "product": "Produit non nommé", "ranges": ["de 2.34 à 2.39 (exclue)"], "first_unaffected": ["2.39"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:2.28-225.el8_8.6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:2.28-225.el8_8.6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support", "ranges": [], "first_unaffected": ["0:2.28-189.6.el8_6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "ranges": [], "first_unaffected": ["0:2.34-60.el9_2.7"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "ranges": [], "first_unaffected": ["0:2.34-60.el9_2.7"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.0 Extended Update Support", "ranges": [], "first_unaffected": ["0:2.34-28.el9_0.4"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:2.28-189.6.el8_6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:4.5.3-10.el8ev"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:4.5.3-202312060823_8.6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "ranges": [], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "ranges": [], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "ranges": [], "first_unaffected": [], "source": "CVE.org"}], "kev_name": "GNU C Library Buffer Overflow Vulnerability", "kev_short_description": "GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.", "kev_ransomware": "Unknown", "kev_notes": "This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa, https://access.redhat.com/security/cve/cve-2023-4911, https://www.debian.org/security/2023/dsa-5514 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4911  ", "kev_cwes": ["CWE-122"], "wordfence_id": "", "mentions_sources": [], "version_match": "unknown", "risk_score": 68, "risk_class": "Important", "impact": {"confidentialite": "élevé", "integrite": "élevé", "disponibilite": "élevé", "summary": "Un attaquant exploitant cette vulnérabilité pourrait, selon les conditions décrites par les sources, nécessite un accès local, avec des privilèges existants, affecter la confidentialité des données, l'intégrité du système et la disponibilité du service.", "basis": "CVSS 3.1"}, "mechanism": "Débordement de tampon dans la mémoire allouée dynamiquement (tas).", "mitigation": {"correction": {"available": true, "text": "Mettre à jour : selon les sources, ne sont plus concernées les versions à partir de Simatic s7-1500 Tm Mfp Firmware 1.1, Glibc 2.39, Produit non nommé 2.39, Red Hat Enterprise Linux 8 0:2.28-225.el8_8.6, Red Hat Enterprise Linux 8.6 Extended Update Support 0:2.28-189.6.el8_6."}, "mitigation": {"specific": "Aucune mesure de mitigation spécifique confirmée par les sources consultées. Consultez les références officielles pour d'éventuelles mesures détaillées.", "general": ["Maintenir le produit à jour et activer les mises à jour de sécurité.", "Restreindre l'exposition réseau du service au strict nécessaire.", "Appliquer le principe du moindre privilège.", "Surveiller les journaux et les alertes de sécurité."], "specific_links": []}, "containment": {"applicable": true, "actions": ["Action recommandée par la CISA : Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "Isoler ou restreindre l'accès au service concerné.", "Restreindre les flux réseau entrants/sortants liés au composant.", "Renforcer la surveillance des journaux et des accès.", "Désactiver temporairement le composant vulnérable si l'activité le permet."]}, "note": "Priorité aux consignes officielles de l'éditeur et des références. Vérifiez toujours l'avis de sécurité avant toute intervention en production.", "official_links": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238352", "groupe": "correctif", "groupe_titre": "Correctifs et versions corrigées", "editeur": "Red Hat", "domaine": "bugzilla.redhat.com"}]}, "plain": {"verdict": "now", "verdict_label": "Exploité par des attaquants · à traiter aujourd'hui", "verdict_css": "now", "verdict_rank": 0, "headline": "Le logiciel peut écrire hors de la zone mémoire prévue, jusqu'au plantage, depuis l'appareil lui-même", "headline_is_derived": true, "action": "Action officielle recommandée par la CISA : Appliquer les mesures de contournement indiquées par l'éditeur ; à défaut, cesser d'utiliser le produit.", "action_kind": "official", "concerned": [{"version": "2.34", "state": "hit", "state_label": "Concerné", "todo": "Action officielle recommandée par la CISA : Appliquer les mesures de contournement indiquées par l'éditeur ; à défaut, cesser d'utiliser le produit."}, {"version": "Je ne connais pas ma version", "state": "unknown", "state_label": "À vérifier", "todo": "La version s'affiche généralement dans le menu « À propos » ou « Aide » du logiciel."}], "steps": [{"title": "Sauvegarder avant d'intervenir", "detail": "Une copie récente des données et de la configuration. Si votre hébergeur propose une sauvegarde en un clic, c'est le moment.", "duration": "10 min", "priority": false}, {"title": "Action officielle recommandée par la CISA : Appliquer les mesures de contournement indiquées par l'éditeur ; à défaut, cesser d'utiliser le produit", "detail": "C'est la correction officielle. Tant qu'elle n'est pas appliquée, les autres mesures ne sont que temporaires.", "duration": "15 à 45 min", "priority": true}, {"title": "En attendant : restreindre l'accès à l'appareil", "detail": "L'exploitation demande un accès local à la machine. Limiter qui peut s'y connecter suffit à contenir le risque immédiat.", "duration": "20 min", "priority": false}, {"title": "Vérifier que vous n'avez pas déjà été touché", "detail": "Cette faille est activement exploitée. Contrôler les comptes créés récemment, les connexions inhabituelles et les fichiers modifiés depuis la date de publication.", "duration": "30 min", "priority": true}, {"title": "Confirmer que tout fonctionne encore", "detail": "Après correction : page d'accueil, connexion, et les deux ou trois fonctions dont vous vous servez tous les jours.", "duration": "10 min", "priority": false}], "exploited": true, "exploited_label": "Oui, des attaques réelles sont constatées", "fixed_label": "Correctif non identifié dans les sources", "affected_label": "2.34"}, "severity_display": "Élevée", "cvss_is_legacy": false, "risk_score_computable": true, "identifier": "CVE-2023-4911", "severity_fr": "Élevée", "epss_pct": 63.8, "source_records": [{"source": "NVD", "label": "NVD, NIST", "date_label": "Publié dans la base", "date": "2023-10-03", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4911"}, {"source": "CVE.org", "label": "CVE.org, programme CVE", "date_label": "Publié par l'organisme CNA", "date": "2023-10-03", "url": "https://www.cve.org/CVERecord?id=CVE-2023-4911"}, {"source": "CISA", "label": "CISA KEV", "date_label": "Ajout au catalogue", "date": "2023-11-21", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4911"}, {"source": "FIRST EPSS", "label": "FIRST EPSS", "date_label": "Score daté du", "date": "2026-10-06", "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-4911"}], "exploit_public": true, "reseau_sans_auth": false, "exposition": "Avec un accès à la machine"}, "presentation": {"en_bref": [{"question": "Est-elle attaquée ?", "ton": "alerte", "reponse": "Oui, attaques constatées", "source": "Catalogue CISA KEV"}, {"question": "Existe-t-il un correctif ?", "ton": "bon", "reponse": "Oui : 1.1, 2.39, 0:2.28-225.el8_8.6, 0:2.28-189.6.el8_6…", "source": "Versions publiées comme non concernées"}, {"question": "Comment l'attaquer ?", "ton": "neutre", "reponse": "Avec un accès à la machine", "source": "Vecteur CVSS publié"}, {"question": "Risque d'exploitation", "ton": "alerte", "reponse": "63,8 % sur 30 jours", "source": "Plus probable que 99 % des failles connues"}], "references": [{"cle": "correctif", "titre": "Correctifs et versions corrigées", "explication": "Les pages que les sources désignent comme correctif ou notes de version.", "items": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238352", "domaine": "bugzilla.redhat.com", "editeur": "Red Hat", "etiquettes": ["Suivi de ticket", "Correctif"], "nom": "", "lien": true, "casse": false}]}, {"cle": "avis_tiers", "titre": "Avis d'autorités et d'organismes tiers", "explication": "CERT, agences gouvernementales, bases de vulnérabilités, chercheurs.", "items": [{"url": "https://access.redhat.com/errata/RHSA-2023:5453", "domaine": "access.redhat.com", "editeur": "Red Hat", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://access.redhat.com/errata/RHSA-2023:5454", "domaine": "access.redhat.com", "editeur": "Red Hat", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://access.redhat.com/errata/RHSA-2023:5455", "domaine": "access.redhat.com", "editeur": "Red Hat", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://access.redhat.com/errata/RHSA-2023:5476", "domaine": "access.redhat.com", "editeur": "Red Hat", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://access.redhat.com/errata/RHSA-2024:0033", "domaine": "access.redhat.com", "editeur": "Red Hat", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://access.redhat.com/security/cve/CVE-2023-4911", "domaine": "access.redhat.com", "editeur": "Red Hat", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.qualys.com/cve-2023-4911/", "domaine": "www.qualys.com", "editeur": "", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://security.gentoo.org/glsa/202310-03", "domaine": "security.gentoo.org", "editeur": "Gentoo", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://security.netapp.com/advisory/ntap-20231013-0006/", "domaine": "security.netapp.com", "editeur": "NetApp", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html", "domaine": "cert-portal.siemens.com", "editeur": "", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-794697.html", "domaine": "cert-portal.siemens.com", "editeur": "", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-831302.html", "domaine": "cert-portal.siemens.com", "editeur": "", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4911", "domaine": "www.cisa.gov", "editeur": "CISA", "etiquettes": ["Ressource gouvernementale américaine", "Ressource gouvernementale"], "nom": "", "lien": true, "casse": false}]}, {"cle": "analyse", "titre": "Analyses, tickets et discussions", "explication": "Pour comprendre le défaut : description technique, ticket, liste de diffusion.", "items": [{"url": "http://www.openwall.com/lists/oss-security/2023/10/03/3", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/05/1", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/13/11", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/14/3", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/14/5", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/14/6", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/", "domaine": "lists.fedoraproject.org", "editeur": "Fedora", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/", "domaine": "lists.fedoraproject.org", "editeur": "Fedora", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/", "domaine": "lists.fedoraproject.org", "editeur": "Fedora", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.debian.org/security/2023/dsa-5514", "domaine": "www.debian.org", "editeur": "Debian", "etiquettes": ["Liste de diffusion"], "nom": "", "lien": true, "casse": false}]}, {"cle": "exploit", "titre": "Codes d'exploitation référencés", "explication": "Les sources signalent un code d'exploitation public. Par prudence, CyberAlert affiche le site qui l'héberge sans lien direct : l'information utile ici est son existence, qui rend la faille plus facile à attaquer.", "items": [{"url": "https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt", "domaine": "www.qualys.com", "editeur": "", "etiquettes": ["Code d'exploitation", "Avis d'un tiers"], "nom": "", "lien": false, "casse": false}, {"url": "http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html", "domaine": "packetstormsecurity.com", "editeur": "Packet Storm", "etiquettes": ["Code d'exploitation", "Avis d'un tiers", "Base de vulnérabilités"], "nom": "", "lien": false, "casse": false}, {"url": "http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html", "domaine": "packetstormsecurity.com", "editeur": "Packet Storm", "etiquettes": ["Code d'exploitation", "Avis d'un tiers", "Base de vulnérabilités"], "nom": "", "lien": false, "casse": false}, {"url": "http://seclists.org/fulldisclosure/2023/Oct/11", "domaine": "seclists.org", "editeur": "", "etiquettes": ["Code d'exploitation", "Liste de diffusion", "Avis d'un tiers"], "nom": "", "lien": false, "casse": false}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/03/2", "domaine": "www.openwall.com", "editeur": "Openwall (oss-security)", "etiquettes": ["Code d'exploitation", "Liste de diffusion"], "nom": "", "lien": false, "casse": false}, {"url": "https://www.exploit-db.com/exploits/52479", "domaine": "www.exploit-db.com", "editeur": "Exploit-DB", "etiquettes": ["Code d'exploitation", "Avis d'un tiers", "Base de vulnérabilités"], "nom": "", "lien": false, "casse": false}]}], "liens_correction": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238352", "domaine": "bugzilla.redhat.com", "editeur": "Red Hat", "etiquettes": ["Suivi de ticket", "Correctif"], "nom": "", "lien": true, "casse": false, "groupe": "correctif", "groupe_titre": "Correctifs et versions corrigées"}], "nb_exploits": 6, "cvss": {"version": "3.1", "vecteur": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "metriques": [{"code": "AV", "nom": "Vecteur d'attaque", "valeur": "Local (accès à la machine)", "brut": "L", "explication": "D'où l'attaquant doit agir."}, {"code": "AC", "nom": "Complexité de l'attaque", "valeur": "Faible", "brut": "L", "explication": "Conditions hors du contrôle de l'attaquant."}, {"code": "PR", "nom": "Privilèges requis", "valeur": "Faibles (compte ordinaire)", "brut": "L", "explication": "Droits dont l'attaquant a besoin avant d'attaquer."}, {"code": "UI", "nom": "Interaction de l'utilisateur", "valeur": "Aucune", "brut": "N", "explication": "Une victime doit-elle cliquer ou ouvrir quelque chose ?"}, {"code": "S", "nom": "Portée", "valeur": "Inchangée", "brut": "U", "explication": "L'attaque peut-elle toucher d'autres composants que celui qui est vulnérable ?"}, {"code": "C", "nom": "Confidentialité", "valeur": "Élevé", "brut": "H", "explication": "Accès à des informations protégées."}, {"code": "I", "nom": "Intégrité", "valeur": "Élevé", "brut": "H", "explication": "Modification de données ou du système."}, {"code": "A", "nom": "Disponibilité", "valeur": "Élevé", "brut": "H", "explication": "Arrêt ou ralentissement du service."}], "calculateur": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "specification": "https://www.first.org/cvss/v3.1/specification-document"}, "cvss4": null, "cwe": [{"id": "CWE-122", "nom": "Heap-based Buffer Overflow", "url": "https://cwe.mitre.org/data/definitions/122.html"}, {"id": "CWE-787", "nom": "Out-of-bounds Write", "url": "https://cwe.mitre.org/data/definitions/787.html"}], "ssvc": {"lignes": [{"nom": "Exploitation", "valeur": "Exploitation active constatée", "brut": "active"}, {"nom": "Automatisable", "valeur": "Non : l'attaque ne peut pas être entièrement automatisée", "brut": "no"}, {"nom": "Impact technique", "valeur": "Total : contrôle complet du composant ou de ses informations", "brut": "total"}], "version": "2.0.3", "date": "2025-10-15", "role": "CISA Coordinator", "url": "https://www.cisa.gov/stakeholder-specific-vulnerability-categorization-ssvc"}, "chronologie": [{"date": "2023-09-12", "libelle": "Identifiant réservé", "qui": "Programme CVE"}, {"date": "2023-10-03", "libelle": "Publication de la vulnérabilité", "qui": "redhat"}, {"date": "2023-11-21", "libelle": "Ajout au catalogue des failles exploitées", "qui": "CISA"}, {"date": "2023-12-12", "libelle": "Échéance de correction fixée par la CISA", "qui": "CISA"}, {"date": "2025-10-15", "libelle": "Décision SSVC publiée", "qui": "CISA"}, {"date": "2026-06-17", "libelle": "Dernière mise à jour de la fiche source", "qui": "Source"}, {"date": "2026-10-06", "libelle": "Calcul du score EPSS affiché", "qui": "FIRST"}], "liens_officiels": [{"nom": "NVD (NIST)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4911", "description": "Fiche de référence : CVSS, CPE, références étiquetées."}, {"nom": "CVE.org", "url": "https://www.cve.org/CVERecord?id=CVE-2023-4911", "description": "Enregistrement officiel publié par l'organisme qui a attribué l'identifiant."}, {"nom": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4911", "description": "Entrée du catalogue des failles activement exploitées."}, {"nom": "FIRST EPSS", "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-4911", "description": "Score de probabilité d'exploitation du jour."}, {"nom": "OSV.dev", "url": "https://osv.dev/vulnerability/CVE-2023-4911", "description": "Paquets open source concernés et versions corrigées."}, {"nom": "GitHub Advisory Database", "url": "https://github.com/advisories?query=CVE-2023-4911", "description": "Avis de sécurité des dépendances logicielles."}], "produits": [{"vendor": "Netapp", "product": "Bootstrap Os", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Simatic s7-1500 Cpu 1518-4 Pn/dp Mfp Firmware", "ranges": ["à partir de 3.1.5"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Simatic s7-1500 Cpu 1518f-4 Pn/dp Mfp Firmware", "ranges": ["à partir de 3.1.5"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Siplus s7-1500 Cpu 1518-4 Pn/dp Mfp Firmware", "ranges": ["à partir de 3.1.5"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Siemens", "product": "Simatic s7-1500 Tm Mfp Firmware", "ranges": ["avant 1.1"], "first_unaffected": ["1.1"], "source": "NVD"}, {"vendor": "Gnu", "product": "Glibc", "ranges": ["de 2.34 à 2.39 (exclue)"], "first_unaffected": ["2.39"], "source": "NVD"}, {"vendor": "Fedoraproject", "product": "Fedora", "ranges": ["37", "38", "39"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder", "ranges": ["9.0"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder Eus", "ranges": ["8.6", "9.2", "9.4", "9.6"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For arm64", "ranges": ["9.0_aarch64"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For arm64 Eus", "ranges": ["8.6", "9.2_aarch64", "9.4_aarch64", "9.6_aarch64"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Ibm Z Systems", "ranges": ["9.0_s390x"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Ibm Z Systems Eus", "ranges": ["8.6", "9.2_s390x", "9.4_s390x", "9.6_s390x"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Power Little Endian", "ranges": ["9.0_ppc64le"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Codeready Linux Builder For Power Little Endian Eus", "ranges": ["8.6"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Canonical", "product": "Ubuntu Linux", "ranges": ["22.04"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h410c Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h300s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h500s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h700s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "h410s Firmware", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Netapp", "product": "Ontap Select Deploy Administration Utility", "ranges": ["toutes versions (selon NVD)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "", "product": "Produit non nommé", "ranges": ["de 2.34 à 2.39 (exclue)"], "first_unaffected": ["2.39"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:2.28-225.el8_8.6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:2.28-225.el8_8.6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support", "ranges": [], "first_unaffected": ["0:2.28-189.6.el8_6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "ranges": [], "first_unaffected": ["0:2.34-60.el9_2.7"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "ranges": [], "first_unaffected": ["0:2.34-60.el9_2.7"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.0 Extended Update Support", "ranges": [], "first_unaffected": ["0:2.34-28.el9_0.4"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:2.28-189.6.el8_6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:4.5.3-10.el8ev"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "ranges": [], "first_unaffected": ["0:4.5.3-202312060823_8.6"], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "ranges": [], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "ranges": [], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "ranges": [], "first_unaffected": [], "source": "CVE.org"}], "notes_kev": ["https://sourceware.org/git/?p=glibc.git", "https://access.redhat.com/security/cve/cve-2023-4911,", "https://www.debian.org/security/2023/dsa-5514", "https://nvd.nist.gov/vuln/detail/CVE-2023-4911"]}, "consulted_at": "2026-10-06T16:16:57.704531+00:00"}