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


Severity

Recommended
medium

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.06% (30th percentile)

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  • Snyk ID SNYK-CENTOS9-EDK2TOOLSDOC-6160830
  • published 17 Jan 2024
  • disclosed 16 Jan 2024

How to fix?

Upgrade Centos:9 edk2-tools-doc to version 0:20231122-6.el9_4.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2-tools-doc package and not the edk2-tools-doc package as distributed by Centos. See How to fix? for Centos: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
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

Red Hat

7.5 high