CVE-2013-4577: GNU Grub

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

  • GNU Grub: affected versions not specified

Published 2014-05-12. Last modified 2026-06-16.