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Vulnerability DatabaseCVE-2023-0440
CVE-2023-0440:
NixOS vulnerability analysis and mitigation
Overview
CVE-2023-0440 is an Observable Discrepancy vulnerability identified in GitHub repository healthchecks/healthchecks prior to version v2.6. The vulnerability was discovered and reported on January 23, 2023 (CVE List).
Technical details
The vulnerability relates to email enumeration in the login and signup views of the healthchecks application. The issue allowed potential attackers to determine whether an email address was registered in the system through different response messages, creating an information disclosure vulnerability (GitHub Commit).
Impact
This vulnerability could enable attackers to enumerate valid email addresses registered in the system, potentially facilitating further targeted attacks or unauthorized access attempts (GitHub Commit).
Mitigation and workarounds
The issue has been fixed in version 2.6 of healthchecks by modifying the login and signup views to provide consistent responses regardless of whether an email address exists in the system. Users should upgrade to version 2.6 or later to address this vulnerability (GitHub Commit).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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