CVE-2020-15705

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.suse.com/support/kb/doc/?id=000019673", "name": "https://www.suse.com/support/kb/doc/?id=000019673", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://ubuntu.com/security/notices/USN-4432-1", "name": "http://ubuntu.com/security/notices/USN-4432-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html", "name": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass", "name": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot", "name": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011", "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011", "tags": ["Patch", "Third Party Advisory", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader", "name": "https://access.redhat.com/security/vulnerabilities/grub2bootloader", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/", "name": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/", "name": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "https://www.openwall.com/lists/oss-security/2020/07/29/3", "name": "https://www.openwall.com/lists/oss-security/2020/07/29/3", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2020/07/29/3", "name": "[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://security.netapp.com/advisory/ntap-20200731-0008/", "name": "https://security.netapp.com/advisory/ntap-20200731-0008/", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://usn.ubuntu.com/4432-1/", "name": "USN-4432-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html", "name": "openSUSE-SU-2020:1280", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html", "name": "openSUSE-SU-2020:1282", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://www.openwall.com/lists/oss-security/2021/03/02/3", "name": "[oss-security] 20210302 Multiple GRUB2 vulnerabilities", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://security.gentoo.org/glsa/202104-05", "name": "GLSA-202104-05", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "http://www.openwall.com/lists/oss-security/2021/09/17/2", "name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.openwall.com/lists/oss-security/2021/09/17/4", "name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.openwall.com/lists/oss-security/2021/09/21/1", "name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-347"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-15705", "ASSIGNER": "security@ubuntu.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2020-07-29T18:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.04"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_server:11:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_server:15:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:enterprise_linux_atomic_host:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-04-18T15:22Z"}