Timing Attack Affecting grub2 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-UNMANAGED-GRUB2-8553744
  • published29 Dec 2024
  • disclosed29 Dec 2024
  • creditUnknown

Introduced: 29 Dec 2024

NewCVE-2024-56738  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

There is no fixed version for grub2.

Overview

Affected versions of this package are vulnerable to Timing Attack due to the non-constant-time comparison function grub_crypto_memcmp(). An attacker can expose information about cryptographic keys by observing the time variations in the execution of this function.

CVSS Scores

version 4.0
version 3.1