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If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en Shim cuando ocurri\u00f3 un error al crear una nueva variable ESL. Si Shim no puede crear la nueva variable, intenta imprimir un mensaje de error para el usuario; sin embargo, la cantidad de par\u00e1metros utilizados por la funci\u00f3n de registro no coincide con la cadena de formato utilizada, lo que provoca un bloqueo en determinadas circunstancias."}], "id": "CVE-2023-40546", "lastModified": "2024-11-21T08:19:41.450", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-01-29T17:15:08.347", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1834"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1835"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1873"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1876"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1883"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1902"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1903"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1959"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:2086"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-40546"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241796"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1834"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1835"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1873"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1876"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1883"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1902"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1903"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1959"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:2086"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-40546"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241796"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:1959", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "shim-0:15.8-3.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-04-23T00:00:00Z"}, {"advisory": "RHSA-2024:1959", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "shim-signed-0:15.8-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-04-23T00:00:00Z"}, {"advisory": "RHSA-2024:1902", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-0:15.8-4.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1834", "cpe": "cpe:/o:redhat:rhel_aus:8.2", "package": "shim-0:15.8-2.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1834", "cpe": "cpe:/o:redhat:rhel_tus:8.2", "package": "shim-0:15.8-2.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1834", "cpe": "cpe:/o:redhat:rhel_e4s:8.2", "package": "shim-0:15.8-2.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1873", "cpe": "cpe:/o:redhat:rhel_aus:8.4", "package": "shim-0:15.8-2.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1873", "cpe": "cpe:/o:redhat:rhel_tus:8.4", "package": "shim-0:15.8-2.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1873", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "shim-0:15.8-2.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:2086", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "shim-0:15.8-2.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-04-29T00:00:00Z"}, {"advisory": "RHSA-2024:1883", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "shim-0:15.8-2.el8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1883", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "shim-unsigned-x64-0:15.8-2.el8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1903", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "shim-0:15.8-4.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1835", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "shim-0:15.8-3.el9", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1835", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "shim-unsigned-aarch64-0:15.8-2.el9", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1835", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "shim-unsigned-x64-0:15.8-2.el9", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1876", "cpe": "cpe:/o:redhat:rhel_eus:9.2", "package": "shim-0:15.8-3.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-04-18T00:00:00Z"}], "bugzilla": {"description": "shim: Out-of-bounds read printing error messages", "id": "2241796", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241796"}, "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-476", "details": ["A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.", "A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances."], "mitigation": {"lang": "en:us", "value": "There's no available mitigation for this issue."}, "name": "CVE-2023-40546", "public_date": "2024-01-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-40546\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-40546"], "threat_severity": "Moderate", "upstream_fix": "shim 15.8"}