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If a privileged user with control over the dbus-daemon is using the org.freedesktop.DBus.Monitoring interface to monitor message bus traffic, then an unprivileged user with the ability to connect to the same dbus-daemon can cause a dbus-daemon crash under some circumstances via an unreplyable message. When done on the well-known system bus, this is a denial-of-service vulnerability. The fixed versions are 1.12.28, 1.14.8, and 1.15.6."}, {"lang": "es", "value": "D-Bus en versiones anteriores a v1.15.6 a veces permite a usuarios sin privilegios bloquear el \"dbus-daemon\". Si un usuario privilegiado con control sobre \"dbus-daemon\" est\u00e1 usando la interfaz \"org.freedesktop.DBus.Monitoring\" para monitorizar el tr\u00e1fico del bus de mensajes, entonces un usuario sin privilegios con la capacidad de conectarse al mismo \"dbus-daemon\" puede causar un fallo del \"dbus-daemon\" bajo algunas circunstancias a trav\u00e9s de un mensaje sin respuesta. Cuando se hace en el bus del sistema conocido, se trata de una vulnerabilidad de denegaci\u00f3n de servicio. Las versiones que corrigen esta vulnerabilidad son v1.12.28, v1.14.8 y v1.15.6. "}], "id": "CVE-2023-34969", "lastModified": "2025-06-09T15:15:29.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-06-08T03:15:08.970", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Mitigation", "Patch", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/457"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00033.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZYCDRMD7B4XO4HF6C6YTLH4YUD7TANP/"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20231208-0007/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Mitigation", "Patch", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/457"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00033.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZYCDRMD7B4XO4HF6C6YTLH4YUD7TANP/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20231208-0007/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-404"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:4498", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dbus-1:1.12.8-24.el8_8.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-08-07T00:00:00Z"}, {"advisory": "RHSA-2023:4498", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "dbus-1:1.12.8-24.el8_8.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-08-07T00:00:00Z"}, {"advisory": "RHSA-2023:5193", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "dbus-1:1.12.8-18.el8_6.3", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-09-18T00:00:00Z"}, {"advisory": "RHSA-2023:4569", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dbus-1:1.12.20-7.el9_2.1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-08-08T00:00:00Z"}, {"advisory": "RHSA-2023:4569", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "dbus-1:1.12.20-7.el9_2.1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-08-08T00:00:00Z"}], "bugzilla": {"description": "dbus: dbus-daemon: assertion failure when a monitor is active and a message from the driver cannot be delivered", "id": "2213166", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2213166"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-617", "details": ["D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus-daemon. If a privileged user with control over the dbus-daemon is using the org.freedesktop.DBus.Monitoring interface to monitor message bus traffic, then an unprivileged user with the ability to connect to the same dbus-daemon can cause a dbus-daemon crash under some circumstances via an unreplyable message. When done on the well-known system bus, this is a denial-of-service vulnerability. The fixed versions are 1.12.28, 1.14.8, and 1.15.6.", "An assertion failure vulnerability was found in D-Bus. This issue occurs when a privileged monitoring connection (dbus-monitor, busctl monitor, gdbus monitor, or similar) is active, and a message from the bus driver cannot be delivered to a client connection due to <deny> rules or outgoing message quota. If a privileged user with control over the dbus-daemon is monitoring the message bus traffic using the Monitoring clients like the dbus-monitor or busctl monitor interfaces, then an unprivileged local user with the ability to connect to the same dbus-daemon could send specially crafted request, causing a dbus-daemon to crash, resulting in a denial of service under some circumstances."], "mitigation": {"lang": "en:us", "value": "A mitigation for this vulnerability is to avoid attaching Monitoring clients to the system bus when they are not needed. If there are no Monitoring clients, then\nthe vulnerable code is not reached."}, "name": "CVE-2023-34969", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "dbus", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "dbus", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-06-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-34969\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-34969\nhttps://gitlab.freedesktop.org/dbus/dbus/-/issues/457"], "threat_severity": "Moderate"}

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