CVE-2020-15706

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"privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "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": "2020-07-29T18:15:14.420", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html", "tags": ["Broken Link", "Mailing List", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html", "tags": ["Broken Link", "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": ["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": ["Broken Link", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html", "tags": ["Broken Link", "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": ["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-362"}, {"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions."}, {"lang": "es", "value": "GRUB2 contiene una condici\u00f3n de carrera en la funci\u00f3n grub_script_function_create() que conlleva a una vulnerabilidad de uso de la memoria previamente liberada la cual puede ser desencadenada al redefinir una funci\u00f3n mientras la misma funci\u00f3n ya se est\u00e1 ejecutando, conllevando a una ejecuci\u00f3n de c\u00f3digo arbitrario y a una omisi\u00f3n de restricci\u00f3n de arranque seguro. Este problema afecta a GRUB2 versiones 2.04 y versiones anteriores"}], "lastModified": "2024-11-21T05:06:03.823", "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:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": 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