Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) Affecting edk2-ovmf package, versions <0:20220126gitbb1bba3d77-13.el8_10.2


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-ALMALINUX8-EDK2OVMF-7774634
  • published21 Aug 2024
  • disclosed23 Jul 2024

Introduced: 23 Jul 2024

CVE-2023-45236  (opens in a new tab)
CWE-338  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 edk2-ovmf to version 0:20220126gitbb1bba3d77-13.el8_10.2 or higher.
This issue was patched in ALSA-2024:5297.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2-ovmf package and not the edk2-ovmf package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

CVSS Scores

version 3.1