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Vulnerability DatabaseCVE-2022-0080

CVE-2022-0080: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-0080 is a Heap-based Buffer Overflow vulnerability affecting mruby. The vulnerability was discovered and disclosed on January 2, 2022. The affected software is mruby version 3.1 and earlier versions (CVE Details, NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 9.8 (Critical), with an Impact Score of 5.9 and Exploitability Score of 3.9. The attack vector is Network-based, requires Low attack complexity, needs No privileges, and can be executed without User interaction. The scope is Unchanged, with High impact on Confidentiality, Integrity, and Availability (AttackerKB).

Impact

The vulnerability can lead to high impacts on system confidentiality, integrity, and availability. As a heap-based buffer overflow, it could potentially allow attackers to execute arbitrary code or cause system crashes (CVE Details).

Mitigation and workarounds

The vulnerability has been fixed in mruby version 3.0.0-3 and later releases. Users are advised to upgrade to the latest version of mruby. A fix was implemented through a commit that addresses the issue of broken reference count numbers when copying fails (GitHub Commit).

Additional resources

Source: This report was generated using AI

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