CVE-2024-45774Out-of-bounds Write in Grub2

Severity
6.7MEDIUMNVD
EPSS
0.0%
top 99.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 18

Description

A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages6 packages

🔴Vulnerability Details

2
OSV
CVE-2024-45774: A flaw was found in grub22025-02-18
GHSA
GHSA-f5v2-rhg6-jmg7: A flaw was found in grub22025-02-18

📋Vendor Advisories

3
Red Hat
grub2: reader/jpeg: Heap OOB Write during JPEG parsing2025-02-18
Microsoft
Grub2: reader/jpeg: heap oob write during jpeg parsing2025-02-11
Debian
CVE-2024-45774: grub2 - A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG pars...2024