CVE-2020-10713

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{}

{"affected": [{"affectedData": [{"product": "Grub", "vendor": "n/a", "versions": [{"status": "affected", "version": "All grub2 versions before 2.06"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "matchCriteriaId": "01F8D62F-70BB-4718-A095-D68540C17EEA", "versionEndExcluding": "2.06", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:vmware:photon_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "742D1040-10F3-4680-86FE-5588B69ECF98", "versionEndExcluding": "2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access to the system such as gaining physical access, obtain the ability to alter a pxe-boot network, or have remote access to a networked system with root access. With this access, an attacker could then craft a string to cause a buffer overflow by injecting a malicious payload that leads to arbitrary code execution within GRUB. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en grub2, versiones anteriores a 2.06. Un atacante puede usar el fallo de GRUB 2 para secuestrar y manipular el proceso de verificaci\u00f3n de GRUB. Este fallo tambi\u00e9n permite omitir las protecciones de Secure Boot. A fin de cargar un kernel no confiable o modificado, un atacante primero necesitar\u00eda establecer acceso al sistema, tal y como conseguir acceso f\u00edsico, obtener la capacidad de alterar una red pxe-boot o tener acceso remoto a un sistema de red con acceso root. Con este acceso, un atacante podr\u00eda dise\u00f1ar una cadena para causar un desbordamiento del b\u00fafer al inyectar una carga \u00fatil maliciosa que conlleve a una ejecuci\u00f3n de c\u00f3digo arbitraria dentro de GRUB. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, as\u00ed como la disponibilidad del sistema"}], "id": "CVE-2020-10713", "lastModified": "2026-06-17T02:48:18.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-30T13:15:10.940", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/07/29/3"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1825243"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "https://cve.openeuler.org/#/CVEInfo/CVE-2020-10713"}, {"source": "secalert@redhat.com", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://kb.vmware.com/s/article/80181"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202104-05"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200731-0008/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-grub2-code-exec-xLePCAPY"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4432-1/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2020/dsa-4735"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/174059"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/07/29/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1825243"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://cve.openeuler.org/#/CVEInfo/CVE-2020-10713"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://kb.vmware.com/s/article/80181"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202104-05"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200731-0008/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-grub2-code-exec-xLePCAPY"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4432-1/"}, {"source": 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{"acknowledgement": "Red Hat would like to thank Jesse Michael (Eclypsium) and Mickey Shkatov (Eclypsium) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "fwupdate-0:12-6.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "grub2-1:2.02-0.86.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "shim-0:15-7.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "shim-signed-0:15-7.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3273", "cpe": 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"package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "shim-signed-0:15-8.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "fwupdate-0:9-10.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "grub2-1:2.02-0.86.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP 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"package": "shim-signed-0:15-8.el7_6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "fwupdate-0:12-6.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "grub2-1:2.02-0.86.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "shim-signed-0:15-8.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "fwupd-0:1.1.4-7.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "grub2-1:2.02-87.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-0:15-14.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-unsigned-x64-0:15-7.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3227", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "fwupd-0:1.1.4-2.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3227", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "grub2-1:2.02-87.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3227", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "shim-0:15-14.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "fwupd-0:1.1.4-2.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "grub2-1:2.02-87.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "shim-0:15-14.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "shim-unsigned-x64-0:15-7.el8", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:4115", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-virtualization-host-0:4.3.11-20200922.0.el7_9", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2020-09-30T00:00:00Z"}, {"advisory": "RHSA-2020:4172", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "redhat-virtualization-host-0:4.4.2-20200930.0.el8_2", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2020-10-05T00:00:00Z"}], "bugzilla": {"description": "grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process", "id": "1825243", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1825243"}, "csaw": true, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-787->CWE-78", "details": ["A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access to the system such as gaining physical access, obtain the ability to alter a pxe-boot network, or have remote access to a networked system with root access. With this access, an attacker could then craft a string to cause a buffer overflow by injecting a malicious payload that leads to arbitrary code execution within GRUB. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access to the system such as gaining physical access, obtain the ability to alter a pxe-boot network, or have remote access to a networked system with root access. With this access, an attacker could then craft a string to cause a buffer overflow by injecting a malicious payload that leads to arbitrary code execution within GRUB. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."], "mitigation": {"lang": "en:us", "value": "There is no mitigation for the flaw."}, "name": "CVE-2020-10713", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "dbxtool", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "dbxtool", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "fwupdate", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2020-07-29T17:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10713\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10713\nhttps://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html\nhttps://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/\nhttps://www.openwall.com/lists/oss-security/2020/07/29/3"], "statement": "Kernel and kernel-rt packages as shipped with Red Hat Enterprise Linux 7 and 8 are being updated to contain the new Red Hat certificate for secure boot.", "threat_severity": "Moderate"}

{}