2.1
CWE
264
Advisory Published
CVE Published
Updated

CVE-2013-4577

First published: Sun Jul 03 2011(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
GRUB for EFI (ARM64)

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Frequently Asked Questions

  • What is the severity of CVE-2013-4577?

    CVE-2013-4577 is classified as a low severity vulnerability due to its nature of allowing local users to read sensitive information.

  • How does CVE-2013-4577 affect GNU GRUB?

    CVE-2013-4577 affects GNU GRUB by allowing local users to obtain password hashes from the world-readable grub.cfg file.

  • How do I fix CVE-2013-4577?

    To fix CVE-2013-4577, change the permissions of the grub.cfg file to restrict access to only authorized users.

  • Who is impacted by CVE-2013-4577?

    Local users of systems using affected versions of GNU GRUB with improperly set permissions are impacted by CVE-2013-4577.

  • What kind of information can be exposed due to CVE-2013-4577?

    CVE-2013-4577 can expose sensitive password hashes stored in the grub.cfg file.

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