ubuntu-cve-2013-4577
Vulnerability from osv_ubuntu
Published
2014-05-12 14:55
Modified
2025-09-08 16:43
Summary
Details

A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.

Severity
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "grub-common",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-coreboot",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-coreboot-bin",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-efi",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-efi-amd64",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-efi-amd64-bin",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-efi-ia32",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-efi-ia32-bin",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-emu",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-firmware-qemu",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-ieee1275",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-ieee1275-bin",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-linuxbios",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-pc",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-pc-bin",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-rescue-pc",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub-theme-starfield",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub2",
            "binary_version": "2.00-20"
          },
          {
            "binary_name": "grub2-common",
            "binary_version": "2.00-20"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "grub2",
        "purl": "pkg:deb/ubuntu/grub2@2.00-20?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.00-20"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.00-19ubuntu2",
        "2.00-19ubuntu3",
        "2.00-19ubuntu4"
      ]
    }
  ],
  "aliases": [],
  "details": "A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.",
  "id": "UBUNTU-CVE-2013-4577",
  "modified": "2025-09-08T16:43:04Z",
  "published": "2014-05-12T14:55:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2013-4577"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2013/11/14"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2013-4577"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2013-4577"
  ]
}



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