What’s Vulnerable › Vulnerabilities

CVE-2013-4577

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-05-12 · updated 2026-06-16
• Weakness: CWE-264

Description

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: all versions

References

• http://seclists.org/oss-sec/2013/q4/291
• http://seclists.org/oss-sec/2013/q4/292
• http://www.openwall.com/lists/oss-security/2024/01/15/3
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598
• http://seclists.org/oss-sec/2013/q4/291
• http://seclists.org/oss-sec/2013/q4/292
• http://www.openwall.com/lists/oss-security/2024/01/15/3
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598

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