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Vulnerability DatabaseCVE-2023-49558
CVE-2023-49558:
NixOS vulnerability analysis and mitigation
Overview
An issue in YASM 1.3.0.86.g9def was discovered that allows a remote attacker to cause a denial of service via the expand_mmac_params function in the modules/preprocs/nasm/nasm-pp.c component. The vulnerability was disclosed on November 26, 2023, and was assigned identifier CVE-2023-49558 (NVD, GitHub Issue).
Technical details
The vulnerability exists in the expand_mmac_params function located in modules/preprocs/nasm/nasm-pp.c at line 4013. The issue manifests as a segmentation violation (SEGV) when reading memory at an invalid address. According to the CVSS 3.1 scoring, this vulnerability has been assigned a base score of 5.5 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (NVD).
Impact
When successfully exploited, this vulnerability can cause a denial of service condition in YASM, potentially disrupting the assembly process and affecting system availability. The attack impacts the availability of the service while having no direct effect on confidentiality or integrity (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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