CVE-2024-45781
Grub2 UFS Symbolic Link Heap Out-of-Bounds Write Vulnerability
Description
A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.
INFO
Published Date :
Feb. 18, 2025, 8:15 p.m.
Last Modified :
Feb. 24, 2025, 7:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-45781.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2024-45781 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2345857 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2024-45781 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-45781 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Feb. 24, 2025
Action Type Old Value New Value Added CWE CWE-787 -
New CVE Received by [email protected]
Feb. 18, 2025
Action Type Old Value New Value Added Description A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections. Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Added Reference https://access.redhat.com/security/cve/CVE-2024-45781 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2345857
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-45781 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-45781
weaknesses.