{ "id": "CVE-2023-42753", "sourceIdentifier": "secalert@redhat.com", "published": "2023-09-25T21:15:15.923", "lastModified": "2024-01-30T16:15:46.710", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system." }, { "lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad de indexaci\u00f3n de matrices en el subsistema netfilter del kernel de Linux. Una macro faltante podr\u00eda provocar un error de c\u00e1lculo del desplazamiento de la matriz `h->nets`, proporcionando a los atacantes la primitiva de incrementar/disminuir arbitrariamente un b\u00fafer de memoria fuera de l\u00edmites. Este problema puede permitir que un usuario local bloquee el sistema o potencialmente aumente sus privilegios en el sistema." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 }, { "source": "secalert@redhat.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "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:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" } ] } ] } ], "references": [ { "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7370", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7379", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7382", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7389", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7411", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7418", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7539", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7558", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0089", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0113", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0134", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0340", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0346", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0347", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0371", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0376", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0378", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0402", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0403", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0412", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0461", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0562", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0563", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0593", "source": "secalert@redhat.com" }, { "url": "https://access.redhat.com/security/cve/CVE-2023-42753", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239843", "source": "secalert@redhat.com", "tags": [ "Issue Tracking" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html", "source": "secalert@redhat.com" }, { "url": "https://seclists.org/oss-sec/2023/q3/216", "source": "secalert@redhat.com", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2023/09/22/10", "source": "secalert@redhat.com", "tags": [ "Exploit", "Mailing List" ] } ] }