CVE-2024-56738

Dec. 31, 2024, 7:15 p.m.

5.3
Medium

Description

GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.

Product(s) Impacted

Product Versions
GNU GRUB (GRUB2)
  • ['up to 2.12']

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-208
Observable Timing Discrepancy
Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

https://savannah.gnu.org/bugs/?66603

Tags

cve@mitre.org
CWE-208
2024-12-29
CVE-2024-56738

CVSS Score

5.3 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

    View Vector String

Timeline

Published: Dec. 29, 2024, 7:15 a.m.
Last Modified: Dec. 31, 2024, 7:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.