CVE-2023-4322
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-4322 is a heap-based buffer overflow vulnerability discovered in the radare2 reverse engineering framework, affecting versions prior to 5.9.0. The vulnerability specifically affects the brainfuck disassembler component (NVD, Fedora Advisory).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (CRITICAL) with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H by NVD, while huntr.dev assigned it a score of 7.3 (HIGH) with vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L. The issue is classified as CWE-787 (Out-of-bounds Write) and CWE-122 (Heap-based Buffer Overflow) (NVD).

Impact

The heap-based buffer overflow vulnerability could potentially allow attackers to execute arbitrary code, cause denial of service, or read sensitive information from memory locations (NVD).

Mitigation and workarounds

The vulnerability has been patched in radare2 version 5.9.0. Users are advised to upgrade to this version or later. For Fedora users, patches have been backported to version 5.8.8-2 for both Fedora 37 and 38 (Fedora Advisory).

Additional resources


SourceThis report was generated using AI

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