CVE-2024-1930

{"id": "CVE-2024-1930", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "patrick@puiterwijk.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.0}]}, "published": "2024-05-08T02:15:09.503", "references": [{"url": "https://www.openwall.com/lists/oss-security/2024/03/04/2", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "patrick@puiterwijk.org"}, {"url": "https://www.openwall.com/lists/oss-security/2024/03/04/2", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "patrick@puiterwijk.org", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "No Limit on Number of Open Sessions / Bad Session Close Behaviour in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via\u00a0No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method.\u00a0For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n"}, {"lang": "es", "value": "Sin l\u00edmite en el n\u00famero de sesiones abiertas / mal comportamiento de cierre de sesi\u00f3n en dnf5daemon-server anterior a 5.1.17 permite que un usuario malintencionado afecte la disponibilidad mediante Sin l\u00edmite en el n\u00famero de sesiones abiertas. No hay l\u00edmite en la cantidad de sesiones que los clientes D-Bus pueden crear usando el m\u00e9todo D-Bus `open_session()`. Para cada sesi\u00f3n se crea un hilo en dnf5daemon-server. Esto gasta un par de cientos de megabytes de memoria en el proceso. Ser\u00e1 imposible realizar m\u00e1s conexiones, probablemente porque el servicio D-Bus no puede generar m\u00e1s subprocesos."}], "lastModified": "2025-08-07T17:21:11.740", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rpm-software-management:dnf5:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "011EF61C-CD6B-48B4-8E4B-EC5E3C9841AB", "versionEndExcluding": "5.1.17"}], "operator": "OR"}]}], "sourceIdentifier": "patrick@puiterwijk.org"}