{ "id": "CVE-2023-39192", "sourceIdentifier": "secalert@redhat.com", "published": "2023-10-09T18:15:10.233", "lastModified": "2023-10-11T20:48:57.387", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure." }, { "lang": "es", "value": "Se encontr\u00f3 una falla en el subsistema Netfilter en el kernel de Linux. El m\u00f3dulo xt_u32 no valid\u00f3 los campos en la estructura xt_u32. Esta falla permite a un atacante local privilegiado activar una lectura fuera de l\u00edmites configurando los campos de tama\u00f1o con un valor m\u00e1s all\u00e1 de los l\u00edmites de la matriz, lo que provoca un bloqueo o la divulgaci\u00f3n de informaci\u00f3n." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.0, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.8, "impactScore": 5.2 }, { "source": "secalert@redhat.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 6.7, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.5, "impactScore": 4.7 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-125" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6", "matchCriteriaId": "9D42A7C6-CE38-4D73-B7AC-615F6D53F783" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9" } ] } ] } ], "references": [ { "url": "https://access.redhat.com/security/cve/CVE-2023-39192", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2226784", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ] } ] }