UBUNTU-CVE-2013-4577

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Source
https://ubuntu.com/security/CVE-2013-4577
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4577.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2013-4577
Upstream
Published
2014-05-12T14:55:00Z
Modified
2025-09-08T16:43:04Z
Severity
  • Ubuntu - low
Summary
[none]
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.

References

Affected packages

Ubuntu:14.04:LTS / grub2

Package

Name
grub2
Purl
pkg:deb/ubuntu/grub2@2.00-20?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.00-20

Affected versions

2.*

2.00-19ubuntu2
2.00-19ubuntu3
2.00-19ubuntu4

Ecosystem specific 

{
    "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"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4577.json"