{"item": {"cve_id": "CVE-2014-0196", "ghsa_id": "", "osv_id": "", "title": "CVE-2014-0196", "description": "The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the \"LECHO & !OPOST\" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.", "published_at": "2014-05-07T10:55:04.337", "modified_at": "2026-06-17T00:02:29.250", "vendor": "Linux", "product": "Linux Kernel", "affected_versions": ["n/a"], "fixed_versions": [], "cvss_score": 5.5, "cvss_version": "3.1", "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "severity": "MEDIUM", "epss_score": 0.22475, "epss_percentile": 0.97653, "epss_date": "2026-10-07", "is_kev": true, "kev_date": "2023-05-12", "kev_due_date": "2023-06-02", "kev_action": "The impacted product is end-of-life and should be 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within the n_tty_write function that allows local users to cause a denial-of-service (DoS) or gain privileges via read and write operations with long strings.", "kev_ransomware": "Unknown", "kev_notes": "https://lkml.iu.edu/hypermail/linux/kernel/1609.1/02103.html; https://nvd.nist.gov/vuln/detail/CVE-2014-0196", "kev_cwes": ["CWE-362"], "wordfence_id": "", "mentions_sources": [], "version_match": "unknown", "risk_score": 53, "risk_class": "Important", "impact": {"confidentialite": "aucun", "integrite": "aucun", "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 disponibilité du service.", "basis": "CVSS 3.1"}, "mechanism": "Situation de compétition (race condition) entre opérations concurrentes.", "mitigation": {"correction": {"available": true, "text": "Mettre à jour : selon les sources, ne sont plus concernées les versions à partir de Linux Kernel 3.2.59, Linux Kernel 3.4.91, Linux Kernel 3.10.40, Linux Kernel 3.12.20, Linux Kernel 3.14.4."}, "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 : The impacted product is end-of-life and should be disconnected if still in use.", "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=1094232", "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": "Deux opérations simultanées peuvent produire un état incohérent, depuis l'appareil lui-même", "headline_is_derived": true, "action": "Mettre à jour vers Linux Kernel 3.2.59, Linux Kernel 3.4.91, Linux Kernel 3.10.40 ou plus récent, version publiée comme non concernée.", "action_kind": "update", "concerned": [{"version": "Linux Kernel 3.2.59, Linux Kernel 3.4.91, Linux Kernel 3.10.40 ou plus récent", "state": "safe", "state_label": "Non concerné", "todo": "Rien à faire. Gardez les mises à jour automatiques activées."}, {"version": "n/a", "state": "hit", "state_label": "Concerné", "todo": "Mettre à jour vers Linux Kernel 3.2.59, Linux Kernel 3.4.91, Linux Kernel 3.10.40 ou plus récent, version publiée comme non concernée."}, {"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": "Mettre à jour vers Linux Kernel 3.2.59, Linux Kernel 3.4.91, Linux Kernel 3.10.40 ou plus récent, version publiée comme non concernée", "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": "Linux Kernel 3.2.59, Linux Kernel 3.4.91, Linux Kernel 3.10.40 (non concernée selon les sources)", "affected_label": "n/a"}, "severity_display": "Moyenne", "cvss_is_legacy": false, "risk_score_computable": true, "identifier": "CVE-2014-0196", "severity_fr": "Moyenne", "epss_pct": 22.5, "source_records": [{"source": "NVD", "label": "NVD, NIST", "date_label": "Publié dans la base", "date": "2014-05-07", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0196"}, {"source": "CVE.org", "label": "CVE.org, programme 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"editeur": "Ubuntu (Canonical)", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.ubuntu.com/usn/USN-2197-1", "domaine": "www.ubuntu.com", "editeur": "Ubuntu (Canonical)", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.ubuntu.com/usn/USN-2198-1", "domaine": "www.ubuntu.com", "editeur": "Ubuntu (Canonical)", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.ubuntu.com/usn/USN-2199-1", "domaine": "www.ubuntu.com", "editeur": "Ubuntu (Canonical)", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.ubuntu.com/usn/USN-2200-1", "domaine": "www.ubuntu.com", "editeur": "Ubuntu (Canonical)", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.ubuntu.com/usn/USN-2201-1", "domaine": "www.ubuntu.com", "editeur": "Ubuntu (Canonical)", "etiquettes": ["Avis d'un 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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": "http://pastebin.com/raw.php?i=yTSFUBgZ", "domaine": "pastebin.com", "editeur": "", "etiquettes": ["Code d'exploitation", "Liste de diffusion", "Avis d'un tiers"], "nom": "", "lien": false, "casse": false}, {"url": "http://www.exploit-db.com/exploits/33516", "domaine": "www.exploit-db.com", "editeur": "Exploit-DB", "etiquettes": ["Code d'exploitation", "Avis d'un tiers", "Base de vulnérabilités"], "nom": "", "lien": false, "casse": false}, {"url": "https://github.com/torvalds/linux/commit/4291086b1f081b869c6d79e5b7441633dc3ace00", "domaine": "github.com", "editeur": "GitHub", "etiquettes": ["Code d'exploitation", "Correctif", "Avis d'un tiers"], "nom": "", "lien": false, "casse": false}]}, {"cle": "autres", "titre": "Autres références", "explication": "Références publiées sans étiquette par les sources : leur nature n'est pas qualifiée.", "items": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00", "domaine": "git.kernel.org", "editeur": "", "etiquettes": ["Lien signalé cassé"], "nom": "", "lien": true, "casse": true}, {"url": "http://secunia.com/advisories/59218", "domaine": "secunia.com", "editeur": "", "etiquettes": ["Non applicable"], "nom": "", "lien": true, "casse": false}, {"url": "http://secunia.com/advisories/59262", "domaine": "secunia.com", "editeur": "", "etiquettes": ["Lien signalé cassé"], "nom": "", "lien": true, "casse": true}, {"url": "http://secunia.com/advisories/59599", "domaine": "secunia.com", "editeur": "", "etiquettes": ["Lien signalé cassé"], "nom": "", "lien": true, "casse": true}, {"url": "http://source.android.com/security/bulletin/2016-07-01.html", "domaine": "source.android.com", "editeur": "Android (Google)", "etiquettes": ["Non applicable"], "nom": "", "lien": true, "casse": false}, {"url": "http://www.osvdb.org/106646", "domaine": "www.osvdb.org", "editeur": "", "etiquettes": ["Lien signalé cassé"], "nom": "", "lien": true, "casse": true}]}], "liens_correction": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1094232", "domaine": "bugzilla.redhat.com", "editeur": "Red Hat", "etiquettes": ["Suivi de ticket", "Correctif", "Avis d'un tiers"], "nom": "", "lien": true, "casse": false, "groupe": "correctif", "groupe_titre": "Correctifs et versions corrigées"}], "nb_exploits": 3, "cvss": {"version": "3.1", "vecteur": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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": "Aucun", "brut": "N", "explication": "Accès à des informations protégées."}, {"code": "I", "nom": "Intégrité", "valeur": "Aucun", "brut": "N", "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:N/I:N/A:H", "specification": "https://www.first.org/cvss/v3.1/specification-document"}, "cvss4": null, "cwe": [{"id": "CWE-362", "nom": "", "url": "https://cwe.mitre.org/data/definitions/362.html"}], "owasp": [{"code": "A06", "nom": "Conception non sécurisée", "nom_officiel": "Insecure Design", "slug": "a06-conception-non-securisee", "libelle": "A06:2025 Conception non sécurisée", "url_officielle": "https://top10.owasp.org/2025/A06_2025-Insecure_Design/"}], "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": "Partiel : contrôle ou informations limités", "brut": "partial"}], "version": "2.0.3", "date": "2025-02-07", "role": "CISA Coordinator", "url": "https://www.cisa.gov/stakeholder-specific-vulnerability-categorization-ssvc"}, "chronologie": [{"date": "2013-12-03", "libelle": "Identifiant réservé", "qui": "Programme CVE"}, {"date": "2014-05-07", "libelle": "Publication de la vulnérabilité", "qui": "redhat"}, {"date": "2023-05-12", "libelle": "Ajout au catalogue des failles exploitées", "qui": "CISA"}, {"date": "2023-06-02", "libelle": "Échéance de correction fixée par la CISA", "qui": "CISA"}, {"date": "2025-02-07", "libelle": "Décision SSVC publiée", "qui": "CISA"}, {"date": "2026-06-17", "libelle": "Dernière mise à jour de la fiche source", "qui": "Source"}, {"date": "2026-10-07", "libelle": "Calcul du score EPSS affiché", "qui": "FIRST"}], "liens_officiels": [{"nom": "NVD (NIST)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0196", "description": "Fiche de référence : CVSS, CPE, références étiquetées."}, {"nom": "CVE.org", "url": "https://www.cve.org/CVERecord?id=CVE-2014-0196", "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-2014-0196", "description": "Entrée du catalogue des failles activement exploitées."}, {"nom": "FIRST EPSS", "url": "https://api.first.org/data/v1/epss?cve=CVE-2014-0196", "description": "Score de probabilité d'exploitation du jour."}, {"nom": "OSV.dev", "url": "https://osv.dev/vulnerability/CVE-2014-0196", "description": "Paquets open source concernés et versions corrigées."}, {"nom": "GitHub Advisory Database", "url": "https://github.com/advisories?query=CVE-2014-0196", "description": "Avis de sécurité des dépendances logicielles."}], "produits": [{"vendor": "Linux", "product": "Linux Kernel", "ranges": ["après 2.6.31 et avant 3.2.59", "de 3.3 à 3.4.91 (exclue)", "de 3.5 à 3.10.40 (exclue)", "de 3.11 à 3.12.20 (exclue)", "de 3.13 à 3.14.4 (exclue)", "2.6.31"], "first_unaffected": ["3.2.59", "3.4.91", "3.10.40", "3.12.20", "3.14.4"], "source": "NVD"}, {"vendor": "Debian", "product": "Debian Linux", "ranges": ["6.0", "7.0"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Enterprise Linux", "ranges": ["6.0"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Enterprise Linux Eus", "ranges": ["6.3", "6.4"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Redhat", "product": "Enterprise Linux Server Eus", "ranges": ["6.3"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Suse", "product": "Suse Linux Enterprise Desktop", "ranges": ["11"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Suse", "product": "Suse Linux Enterprise High Availability Extension", "ranges": ["11"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Suse", "product": "Suse Linux Enterprise Server", "ranges": ["11"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Oracle", "product": "Linux", "ranges": ["6"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Canonical", "product": "Ubuntu Linux", "ranges": ["10.04", "12.04", "12.10", "13.10", "14.04"], "first_unaffected": [], "source": "NVD"}, {"vendor": "f5", "product": "Big-ip Access Policy Manager", "ranges": ["de 11.1.0 à 11.5.1 (incluse)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "f5", "product": "Big-ip Advanced Firewall Manager", "ranges": ["de 11.3.0 à 11.5.1 (incluse)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "f5", "product": "Big-ip Analytics", "ranges": ["de 11.1.0 à 11.5.1 (incluse)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "f5", "product": "Big-ip Application Acceleration Manager", "ranges": ["de 11.4.0 à 11.5.1 (incluse)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "f5", "product": "Big-ip Application Security Manager", "ranges": ["de 11.1.0 à 11.5.1 (incluse)"], "first_unaffected": [], "source": "NVD"}, {"vendor": "n/a", "product": "n/a", "ranges": ["n/a"], "first_unaffected": [], "source": "CVE.org"}], "notes_kev": ["https://lkml.iu.edu/hypermail/linux/kernel/1609.1/02103.html", "https://nvd.nist.gov/vuln/detail/CVE-2014-0196"]}, "consulted_at": "2026-10-08T05:45:00.389197+00:00"}