Insufficient Entropy Affecting servicemesh-pilot-discovery package, versions <0:2.1.6-1.el8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.32% (68th percentile)

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  • Snyk IDSNYK-RHEL8-SERVICEMESHPILOTDISCOVERY-4398944
  • published26 Mar 2023
  • disclosed27 Dec 2022

Introduced: 27 Dec 2022

CVE-2021-4238  (opens in a new tab)
CWE-331  (opens in a new tab)

How to fix?

Upgrade RHEL:8 servicemesh-pilot-discovery to version 0:2.1.6-1.el8 or higher.
This issue was patched in RHSA-2023:0540.

NVD Description

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

Randomly-generated alphanumeric strings contain significantly less entropy than expected. The RandomAlphaNumeric and CryptoRandomAlphaNumeric functions always return strings containing at least one digit from 0 to 9. This significantly reduces the amount of entropy in short strings generated by these functions.

CVSS Base Scores

version 3.1