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GoUtils's randomly-generated alphanumeric strings contain significantly less entropy than expected

Critical severity GitHub Reviewed Published Dec 28, 2022 to the GitHub Advisory Database • Updated May 20, 2024

Package

gomod github.com/Masterminds/goutils (Go)

Affected versions

< 1.1.1

Patched versions

1.1.1

Description

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.

References

Published by the National Vulnerability Database Dec 27, 2022
Published to the GitHub Advisory Database Dec 28, 2022
Reviewed Dec 30, 2022
Last updated May 20, 2024

Severity

Critical
9.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weaknesses

CVE ID

CVE-2021-4238

GHSA ID

GHSA-3839-6r69-m497

Source code

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