Out-of-Bound Write Vulnerability in Grub2 by Red Hat
CVE-2024-45777

6.7MEDIUM

Key Information:

Vendor

Gnu
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
19 February 2025

What is CVE-2024-45777?

A flaw in Grub2 affects the calculation of the translation buffer when processing language .mo files. Specifically, the issue arises in the grub_gettext_getstr_from_position() function, which may lead to an out-of-bound write scenario. This vulnerability allows attackers to manipulate Grub2’s sensitive heap data, posing a risk of circumventing secure boot protections. The potential exploitation of this vulnerability necessitates immediate attention from users to safeguard against unauthorized access and system compromise.

References

https://access.redhat.com/security/cve/CVE-2024-45777
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2346343
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2024-45777 : Out-of-Bound Write Vulnerability in Grub2 by Red Hat