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Vulnerability DatabaseCVE-2023-31722

CVE-2023-31722: 
Linux Debian vulnerability analysis and mitigation

Overview

A heap buffer overflow vulnerability was discovered in NASM (Netwide Assembler) version 2.16.02rc1, identified as CVE-2023-31722. The vulnerability was found in the expandmmacro() function within the asm/preproc.c file, specifically at line 6863 ([NASM Bugzilla](https://bugzilla.nasm.us/showbug.cgi?id=3392857#c1)).

Technical details

The vulnerability is classified as a heap-based buffer overflow with a CVSS v3.1 base score of 7.8 (High). The attack vector is Local (L), with Low attack complexity (L), requiring No privileges (N) and User interaction (R). The scope is Unchanged (U), with High impact on Confidentiality, Integrity, and Availability (H,H,H) (NVD).

Impact

The heap buffer overflow vulnerability can lead to potential system compromise with high impacts on confidentiality, integrity, and availability. When successfully exploited, it could allow an attacker to execute arbitrary code or cause program crashes (NIST CVE).

Mitigation and workarounds

The vulnerability affects NASM version 2.16.02rc1 and potentially earlier versions. Various Linux distributions have marked this vulnerability for evaluation, including Ubuntu's LTS releases and Debian's distributions (Ubuntu Security).

Additional resources

Source: This report was generated using AI

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