CVE-2018-1093

{"id": "CVE-2018-1093", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.1, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2018-04-02T03:29:00.307", "references": [{"url": "http://openwall.com/lists/oss-security/2018/03/29/1", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.kernel.org/show_bug.cgi?id=199181", "tags": ["Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560782", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html", "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html", "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html", "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3676-1/", "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3676-2/", "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3752-1/", "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3752-2/", "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3752-3/", "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3754-1/", "source": "secalert@redhat.com"}, {"url": "https://www.debian.org/security/2018/dsa-4188", "source": "secalert@redhat.com"}, {"url": "http://openwall.com/lists/oss-security/2018/03/29/1", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.kernel.org/show_bug.cgi?id=199181", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560782", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3676-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3676-2/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3752-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3752-2/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3752-3/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3754-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2018/dsa-4188", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers."}, {"lang": "es", "value": "La funci\u00f3n ext4_valid_block_bitmap en fs/ext4/balloc.c en el kernel de Linux hasta la versi\u00f3n 4.15.15 permite que los atacantes provoquen un denegaci\u00f3n de servicio (lectura fuera de l\u00edmites y cierre inesperado del sistema) mediante una imagen ext4 manipulada dado que balloc.c y ialloc.c no validan los n\u00fameros de los bloques de mapa de bits."}], "lastModified": "2024-11-21T03:59:10.063", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA4F2AD9-993F-4246-B6F9-7723FF82AF6C", "versionEndIncluding": "4.15.15"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}