CVE-2020-18974
Linux Debian vulnerability analysis and mitigation

Overview

Buffer Overflow vulnerability was discovered in Netwide Assembler (NASM) version 2.15.xx. The vulnerability exists in the 'crc64i' function within the 'nasmlib/crc64' component. This issue is distinct from CVE-2019-7147 and was assigned identifier CVE-2020-18974 (NVD).

Technical details

The vulnerability is a global-buffer-overflow that occurs in the crc64i function at line 185 of nasmlib/crc64.c. When triggered, the vulnerability causes a READ operation of size 8 at a memory address outside the intended buffer boundaries. The issue has been assigned a CVSS v3.1 Base Score of 3.3 LOW with vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L (NVD).

Impact

The vulnerability can be exploited to cause a denial of service condition in the NASM assembler. When successfully exploited, it affects the availability of the system by causing the application to crash (NVD).

Mitigation and workarounds

The vulnerability affects NASM version 2.15.xx. Users should upgrade to a patched version when available. No specific workarounds have been publicly documented (NVD).

Additional resources


SourceThis report was generated using AI

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