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ROTP 6.2.2 and 6.2.1 has 0666 permissions for the .rb files.

Moderate severity GitHub Reviewed Published Mar 15, 2024 in mdp/rotp • Updated Dec 5, 2025

Package

bundler rotp (RubyGems)

Affected versions

>= 6.2.1, < 6.3.0

Patched versions

6.3.0

Description

The Ruby One Time Password library (ROTP) is an open source library for generating and validating one time passwords. Affected versions had overly permissive default permissions. Users should patch to version 6.3.0. Users unable to patch may correct file permissions after installation.

References

@mdp mdp published to mdp/rotp Mar 15, 2024
Published by the National Vulnerability Database Mar 16, 2024
Published to the GitHub Advisory Database Mar 18, 2024
Reviewed Mar 18, 2024
Last updated Dec 5, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(8th percentile)

Weaknesses

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files. Learn more on MITRE.

CVE ID

CVE-2024-28862

GHSA ID

GHSA-x2h8-qmj4-g62f

Source code

Credits

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