Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) Affecting edk2-ovmf package, versions <30:20240909-2.el9


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-ORACLE9-EDK2OVMF-7569080
  • published26 Jul 2024
  • disclosed16 Jan 2024

Introduced: 16 Jan 2024

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

How to fix?

Upgrade Oracle:9 edk2-ovmf to version 30:20240909-2.el9 or higher.
This issue was patched in ELSA-2024-12842.

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 Oracle. See How to fix? for Oracle:9 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