CVE-2020-15707

{"id": "CVE-2020-15707", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "security@ubuntu.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 0.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.5}]}, "published": "2020-07-29T18:15:14.640", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "http://ubuntu.com/security/notices/USN-4432-1", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "http://www.openwall.com/lists/oss-security/2020/07/29/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "security@ubuntu.com"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011", "tags": ["Patch", "Third Party Advisory", "Vendor Advisory"], "source": "security@ubuntu.com"}, {"url": "https://security.gentoo.org/glsa/202104-05", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://security.netapp.com/advisory/ntap-20200731-0008/", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://usn.ubuntu.com/4432-1/", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://www.debian.org/security/2020/dsa-4735", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/", "tags": ["Exploit", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://www.openwall.com/lists/oss-security/2020/07/29/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://www.suse.com/support/kb/doc/?id=000019673", "tags": ["Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://ubuntu.com/security/notices/USN-4432-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/07/29/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011", "tags": ["Patch", "Third Party Advisory", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202104-05", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20200731-0008/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4432-1/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4735", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2020/07/29/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.suse.com/support/kb/doc/?id=000019673", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@ubuntu.com", "description": [{"lang": "en", "value": "CWE-362"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}, {"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "Integer overflows were discovered in the functions grub_cmd_initrd and grub_initrd_init in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu (the functionality is not included in GRUB2 upstream), leading to a heap-based buffer overflow. These could be triggered by an extremely large number of arguments to the initrd command on 32-bit architectures, or a crafted filesystem with very large files on any architecture. An attacker could use this to execute arbitrary code and bypass UEFI Secure Boot restrictions. This issue affects GRUB2 version 2.04 and prior versions."}, {"lang": "es", "value": "Se detectaron desbordamientos de enteros en las funciones grub_cmd_initrd y grub_initrd_init en el componente efilinux de GRUB2, como se incluye en Debian, Red Hat y Ubuntu (la funcionalidad no est\u00e1 incluida aguas arriba de GRUB2), conllevando a un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria. Estos podr\u00edan ser activados por una gran cantidad de argumentos para el comando initrd en arquitecturas de 32 bits, o un sistema de archivos dise\u00f1ado con archivos muy grandes en cualquier arquitectura. Un atacante podr\u00eda usar esto para ejecutar c\u00f3digo arbitrario y omitir las restricciones UEFI Secure Boot. Este problema afecta a GRUB2 versiones 2.04 y versiones anteriores"}], "lastModified": "2024-11-21T05:06:04.027", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC3627EF-FE69-44D7-96D5-E40FF30ED38B", "versionEndIncluding": "2.04"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:enterprise_linux_atomic_host:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AF483911-003B-470B-A12B-85EF34A50469"}, {"criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "932D137F-528B-4526-9A89-CD59FA1AB0FE"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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