GNU Grub vulnerabilities

2 CVEs affecting GNU Grub, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-4949, published 2023-11-10.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2013-4577, published 2014-05-12. 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…
• CVE-2023-4949, published 2023-11-10. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file…