{
  "cveId": "CVE-2020-14310",
  "url": "https://patchblox.com/security/cve/CVE-2020-14310",
  "summary": "CVE-2020-14310 is fixed in 54 products on 1 platform, first by RHSA-2020:3216, released July 29, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "fwupd: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable...",
  "description": "The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.\n\nThe shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments.\n\nThe fwupd packages provide a service that allows session software to update device firmware.\n\nSecurity Fix(es):\n\n* grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process (CVE-2020-10713)\n\n* grub2: grub_malloc does not validate allocation size allowing for arithmetic overflow and subsequent heap-based buffer overflow (CVE-2020-14308)\n\n* grub2: Integer overflow in grub_squash_read_symlink may lead to heap-based buffer overflow (CVE-2020-14309)\n\n* grub2: Integer overflow read_section_as_string may lead to heap-based buffer overflow (CVE-2020-14310)\n\n* grub2: Integer overflow in grub_ext2_read_link leads to heap-based buffer overflow (CVE-2020-14311)\n\n* grub2: Fail kernel validation without shim protocol (CVE-2020-15705)\n\n* grub2: Use-after-free redefining a function whilst the same function is already executing (CVE-2020-15706)\n\n* grub2: Integer overflow in initrd size handling (CVE-2020-15707)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2020-07-29T00:00:00Z",
  "severity": "Moderate",
  "cvss": 6,
  "epss": 0.0046,
  "epssPercentile": 0.40135,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "platform": "linux",
      "product": "fwupd",
      "release": "RHEL 8",
      "fixedVersion": "0:1.1.4-7.el8_2",
      "fix": "RHSA-2020:3216",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-3216",
      "released": "2020-07-29T00:00:00Z"
    },
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      "product": "grub-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.02-2ubuntu8.16",
      "fix": "grub-common 2.02-2ubuntu8.16",
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      "released": "2020-07-29T10:00:00Z"
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      "product": "grub-common",
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