usn-2836-1
Vulnerability from osv_ubuntu
Published
2015-12-15 19:23
Modified
2026-02-10 04:40
Summary
grub2 vulnerability
Details

Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled the backspace key when configured to use authentication. A local attacker could use this issue to bypass GRUB password protection.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2015-8370",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "grub-common",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-coreboot",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-coreboot-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-amd64",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-amd64-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-arm",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-arm-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-arm64",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-arm64-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-ia32",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-efi-ia32-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-emu",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-firmware-qemu",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-ieee1275",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-ieee1275-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-linuxbios",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-pc",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-pc-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-rescue-pc",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-theme-starfield",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-uboot",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-uboot-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-xen",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub-xen-bin",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub2",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          },
          {
            "binary_name": "grub2-common",
            "binary_version": "2.02~beta2-9ubuntu1.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "grub2",
        "purl": "pkg:deb/ubuntu/grub2@2.02~beta2-9ubuntu1.6?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.02~beta2-9ubuntu1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.00-19ubuntu2",
        "2.00-19ubuntu3",
        "2.00-19ubuntu4",
        "2.00-20",
        "2.00-21",
        "2.00-22",
        "2.02~beta2-5",
        "2.02~beta2-6",
        "2.02~beta2-7",
        "2.02~beta2-8",
        "2.02~beta2-9",
        "2.02~beta2-9ubuntu1",
        "2.02~beta2-9ubuntu1.1",
        "2.02~beta2-9ubuntu1.2",
        "2.02~beta2-9ubuntu1.3",
        "2.02~beta2-9ubuntu1.4",
        "2.02~beta2-9ubuntu1.5"
      ]
    }
  ],
  "aliases": [],
  "details": "Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled\nthe backspace key when configured to use authentication. A local attacker\ncould use this issue to bypass GRUB password protection.\n",
  "id": "USN-2836-1",
  "modified": "2026-02-10T04:40:56Z",
  "published": "2015-12-15T19:23:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2836-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-8370"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "grub2 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2015-8370"
  ]
}



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