Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) Affecting edk2-aarch64 package, versions <0:20231122-6.el9_4.2


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL9-EDK2AARCH64-6160835
  • published17 Jan 2024
  • disclosed16 Jan 2024

Introduced: 16 Jan 2024

CVE-2023-45237  (opens in a new tab)
CWE-338  (opens in a new tab)

How to fix?

Upgrade RHEL:9 edk2-aarch64 to version 0:20231122-6.el9_4.2 or higher.
This issue was patched in RHSA-2024:4749.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2-aarch64 package and not the edk2-aarch64 package as distributed by RHEL. See How to fix? for RHEL: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