CVE-2020-15705 (GCVE-0-2020-15705)

Vulnerability from cvelistv5 – Published: 2020-07-29 17:45 – Updated: 2024-09-17 00:06
VLAI?
Summary
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.
Severity ?
6.4 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
https://www.eclypsium.com/2020/07/29/theres-a-hol… x_refsource_CONFIRM
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBas… vendor-advisoryx_refsource_UBUNTU
http://ubuntu.com/security/notices/USN-4432-1 vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2020-GRUB-UEFI-Se… vendor-advisoryx_refsource_DEBIAN
https://portal.msrc.microsoft.com/en-US/security-… x_refsource_CONFIRM
https://access.redhat.com/security/vulnerabilitie… vendor-advisoryx_refsource_REDHAT
https://www.suse.com/c/suse-addresses-grub2-secur… vendor-advisoryx_refsource_SUSE
https://www.suse.com/support/kb/doc/?id=000019673 vendor-advisoryx_refsource_SUSE
https://www.openwall.com/lists/oss-security/2020/… x_refsource_CONFIRM
https://lists.gnu.org/archive/html/grub-devel/202… x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2020/07/29/3 mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2020073… x_refsource_CONFIRM
https://usn.ubuntu.com/4432-1/ vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2021/03/02/3 mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202104-05 vendor-advisoryx_refsource_GENTOO
http://www.openwall.com/lists/oss-security/2021/09/17/2 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/17/4 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/21/1 mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
Ubuntu grub2 in Ubuntu Affected: 20.04 LTS , < 2.04-1ubuntu26.1 (custom)
Affected: 18.04 LTS , < 2.02-2ubuntu8.16 (custom)
Affected: 16.04 LTS , < 2.02~beta2-36ubuntu3.26 (custom)
Affected: 14.04 ESM , < 2.02~beta2-9ubuntu1.20 (custom)
Create a notification for this product.
Credits
Mathieu Trudel-Lapierre
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:22:30.823Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://ubuntu.com/security/notices/USN-4432-1"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "https://www.suse.com/support/kb/doc/?id=000019673"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2020/07/29/3"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html"
          },
          {
            "name": "[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/07/29/3"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200731-0008/"
          },
          {
            "name": "USN-4432-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4432-1/"
          },
          {
            "name": "openSUSE-SU-2020:1280",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html"
          },
          {
            "name": "openSUSE-SU-2020:1282",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html"
          },
          {
            "name": "[oss-security] 20210302 Multiple GRUB2 vulnerabilities",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/03/02/3"
          },
          {
            "name": "GLSA-202104-05",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202104-05"
          },
          {
            "name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"
          },
          {
            "name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"
          },
          {
            "name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "grub2 in Ubuntu",
          "vendor": "Ubuntu",
          "versions": [
            {
              "lessThan": "2.04-1ubuntu26.1",
              "status": "affected",
              "version": "20.04 LTS",
              "versionType": "custom"
            },
            {
              "lessThan": "2.02-2ubuntu8.16",
              "status": "affected",
              "version": "18.04 LTS",
              "versionType": "custom"
            },
            {
              "lessThan": "2.02~beta2-36ubuntu3.26",
              "status": "affected",
              "version": "16.04 LTS",
              "versionType": "custom"
            },
            {
              "lessThan": "2.02~beta2-9ubuntu1.20",
              "status": "affected",
              "version": "14.04 ESM",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Mathieu Trudel-Lapierre"
        }
      ],
      "datePublic": "2020-07-29T00:00:00",
      "descriptions": [
        {
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347 Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-21T11:06:32",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://ubuntu.com/security/notices/USN-4432-1"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "https://www.suse.com/support/kb/doc/?id=000019673"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2020/07/29/3"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html"
        },
        {
          "name": "[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2020/07/29/3"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200731-0008/"
        },
        {
          "name": "USN-4432-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4432-1/"
        },
        {
          "name": "openSUSE-SU-2020:1280",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html"
        },
        {
          "name": "openSUSE-SU-2020:1282",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html"
        },
        {
          "name": "[oss-security] 20210302 Multiple GRUB2 vulnerabilities",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/03/02/3"
        },
        {
          "name": "GLSA-202104-05",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202104-05"
        },
        {
          "name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"
        },
        {
          "name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"
        },
        {
          "name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"
        }
      ],
      "source": {
        "advisory": "USN 4432-1",
        "defect": [
          "https://launchpad.net/bugs/1801968"
        ],
        "discovery": "INTERNAL"
      },
      "title": "GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "DATE_PUBLIC": "2020-07-29T17:00:00.000Z",
          "ID": "CVE-2020-15705",
          "STATE": "PUBLIC",
          "TITLE": "GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "grub2 in Ubuntu",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "20.04 LTS",
                            "version_value": "2.04-1ubuntu26.1"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "18.04 LTS",
                            "version_value": "2.02-2ubuntu8.16"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "16.04 LTS",
                            "version_value": "2.02~beta2-36ubuntu3.26"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "14.04 ESM",
                            "version_value": "2.02~beta2-9ubuntu1.20"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Ubuntu"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Mathieu Trudel-Lapierre"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-347 Improper Verification of Cryptographic Signature"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/",
              "refsource": "CONFIRM",
              "url": "https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/"
            },
            {
              "name": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass",
              "refsource": "UBUNTU",
              "url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass"
            },
            {
              "name": "http://ubuntu.com/security/notices/USN-4432-1",
              "refsource": "UBUNTU",
              "url": "http://ubuntu.com/security/notices/USN-4432-1"
            },
            {
              "name": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot"
            },
            {
              "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011",
              "refsource": "CONFIRM",
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011"
            },
            {
              "name": "https://access.redhat.com/security/vulnerabilities/grub2bootloader",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader"
            },
            {
              "name": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/",
              "refsource": "SUSE",
              "url": "https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/"
            },
            {
              "name": "https://www.suse.com/support/kb/doc/?id=000019673",
              "refsource": "SUSE",
              "url": "https://www.suse.com/support/kb/doc/?id=000019673"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2020/07/29/3",
              "refsource": "CONFIRM",
              "url": "https://www.openwall.com/lists/oss-security/2020/07/29/3"
            },
            {
              "name": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html",
              "refsource": "CONFIRM",
              "url": "https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html"
            },
            {
              "name": "[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2020/07/29/3"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200731-0008/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200731-0008/"
            },
            {
              "name": "USN-4432-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4432-1/"
            },
            {
              "name": "openSUSE-SU-2020:1280",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html"
            },
            {
              "name": "openSUSE-SU-2020:1282",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html"
            },
            {
              "name": "[oss-security] 20210302 Multiple GRUB2 vulnerabilities",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/03/02/3"
            },
            {
              "name": "GLSA-202104-05",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202104-05"
            },
            {
              "name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"
            },
            {
              "name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"
            },
            {
              "name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"
            }
          ]
        },
        "source": {
          "advisory": "USN 4432-1",
          "defect": [
            "https://launchpad.net/bugs/1801968"
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2020-15705",
    "datePublished": "2020-07-29T17:45:33.422001Z",
    "dateReserved": "2020-07-14T00:00:00",
    "dateUpdated": "2024-09-17T00:06:01.169Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"2.04\", \"matchCriteriaId\": \"FC3627EF-FE69-44D7-96D5-E40FF30ED38B\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:redhat:enterprise_linux_atomic_host:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AF483911-003B-470B-A12B-85EF34A50469\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"932D137F-528B-4526-9A89-CD59FA1AB0FE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\", \"matchCriteriaId\": \"815D70A8-47D3-459C-A32C-9FEACA0659D1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"902B8056-9E37-443B-8905-8AA93E2447FB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}, {\"vulnerable\": true, \"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, \"criteria\": \"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F4CFF558-3C47-480D-A2F0-BABF26042943\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:suse:suse_linux_enterprise_server:11:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"93AD897C-C9F7-4B4D-BC39-5E13920383D4\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9C649194-B8C2-49F7-A819-C635EE584ABF\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:suse:suse_linux_enterprise_server:15:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AF73A3D9-6566-4CBF-AA5F-5A4B99719A1D\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"21540673-614A-4D40-8BD7-3F07723803B0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"83B14968-3985-43C3-ACE5-8307196EFAE3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"7CB85C75-4D35-480E-843D-60579EC75FCB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6B8F3DD2-A145-4AF1-8545-CC42892DA3D1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3FB5CDAE-C713-4D9D-9D6A-2C2E8924A4BB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E9273B95-20ED-4547-B0A8-95AD15B30372\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AAE74AF3-C559-4645-A6C0-25C3D647AAC8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E93068DB-549B-45AB-8E5C-00EB5D8B5CF8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"C6CE5198-C498-4672-AF4C-77AB4BE06C5C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A7DF96F8-BA6A-4780-9CA3-F719B3F81074\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"DB18C4CE-5917-401E-ACF7-2747084FD36E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"5B921FDB-8E7D-427E-82BE-4432585080CF\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"C253A63F-03AB-41CB-A03A-B2674DEA98AA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0B60D940-80C7-49F0-8F4E-3F99AC15FA82\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"DB79EE26-FC32-417D-A49C-A1A63165A968\"}]}]}]",
      "descriptions": "[{\"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.\"}, {\"lang\": \"es\", \"value\": \"GRUB2 presenta un fallo al comprobar la firma del kernel cuando se inicia directamente sin cu\\u00f1a, permitiendo que el arranque seguro sea omitido. Esto solo afecta a los sistemas en los que el certificado de firma del kernel ha sido importado directamente a la base de datos de arranque seguro y la imagen de GRUB es iniciada directamente sin el uso de cu\\u00f1a. Este problema afecta a GRUB2 versiones 2.04 y versiones anteriores\"}]",
      "id": "CVE-2020-15705",
      "lastModified": "2024-11-21T05:06:03.570",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security@ubuntu.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 6.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 0.5, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 6.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 0.5, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 4.4, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.4, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-07-29T18:15:14.187",
      "references": "[{\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://ubuntu.com/security/notices/USN-4432-1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2020/07/29/3\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/03/02/3\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/17/2\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/17/4\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/21/1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/security/vulnerabilities/grub2bootloader\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Patch\", \"Third Party Advisory\", \"Vendor Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202104-05\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20200731-0008/\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/4432-1/\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.openwall.com/lists/oss-security/2020/07/29/3\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.suse.com/support/kb/doc/?id=000019673\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://ubuntu.com/security/notices/USN-4432-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2020/07/29/3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/03/02/3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/17/2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/17/4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/21/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/security/vulnerabilities/grub2bootloader\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\", \"Vendor 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://usn.ubuntu.com/4432-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.openwall.com/lists/oss-security/2020/07/29/3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.suse.com/support/kb/doc/?id=000019673\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "security@ubuntu.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@ubuntu.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-347\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-347\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-15705\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2020-07-29T18:15:14.187\",\"lastModified\":\"2024-11-21T05:06:03.570\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"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.\"},{\"lang\":\"es\",\"value\":\"GRUB2 presenta un fallo al comprobar la firma del kernel cuando se inicia directamente sin cu\u00f1a, permitiendo que el arranque seguro sea omitido. Esto solo afecta a los sistemas en los que el certificado de firma del kernel ha sido importado directamente a la base de datos de arranque seguro y la imagen de GRUB es iniciada directamente sin el uso de cu\u00f1a. Este problema afecta a GRUB2 versiones 2.04 y versiones anteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.5,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.5,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":4.4,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-347\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-347\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.04\",\"matchCriteriaId\":\"FC3627EF-FE69-44D7-96D5-E40FF30ED38B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:enterprise_linux_atomic_host:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF483911-003B-470B-A12B-85EF34A50469\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"932D137F-528B-4526-9A89-CD59FA1AB0FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"815D70A8-47D3-459C-A32C-9FEACA0659D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"902B8056-9E37-443B-8905-8AA93E2447FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"},{\"vulnerable\":true,\"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,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4CFF558-3C47-480D-A2F0-BABF26042943\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:suse_linux_enterprise_server:11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"93AD897C-C9F7-4B4D-BC39-5E13920383D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9C649194-B8C2-49F7-A819-C635EE584ABF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:suse_linux_enterprise_server:15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF73A3D9-6566-4CBF-AA5F-5A4B99719A1D\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21540673-614A-4D40-8BD7-3F07723803B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"83B14968-3985-43C3-ACE5-8307196EFAE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7CB85C75-4D35-480E-843D-60579EC75FCB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B8F3DD2-A145-4AF1-8545-CC42892DA3D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FB5CDAE-C713-4D9D-9D6A-2C2E8924A4BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E9273B95-20ED-4547-B0A8-95AD15B30372\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AAE74AF3-C559-4645-A6C0-25C3D647AAC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E93068DB-549B-45AB-8E5C-00EB5D8B5CF8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C6CE5198-C498-4672-AF4C-77AB4BE06C5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7DF96F8-BA6A-4780-9CA3-F719B3F81074\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB18C4CE-5917-401E-ACF7-2747084FD36E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B921FDB-8E7D-427E-82BE-4432585080CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C253A63F-03AB-41CB-A03A-B2674DEA98AA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B60D940-80C7-49F0-8F4E-3F99AC15FA82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB79EE26-FC32-417D-A49C-A1A63165A968\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://ubuntu.com/security/notices/USN-4432-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2020/07/29/3\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/03/02/3\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/09/17/2\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/09/17/4\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/09/21/1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/security/vulnerabilities/grub2bootloader\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Patch\",\"Third Party Advisory\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202104-05\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20200731-0008/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4432-1/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2020/07/29/3\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.suse.com/support/kb/doc/?id=000019673\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://ubuntu.com/security/notices/USN-4432-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2020/07/29/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/03/02/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/09/17/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/09/17/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/09/21/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/security/vulnerabilities/grub2bootloader\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\",\"Vendor 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://usn.ubuntu.com/4432-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2020/07/29/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.suse.com/support/kb/doc/?id=000019673\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.