Vulnerabilities > CVE-2020-21686 - Unspecified vulnerability in Nasm Netwide Assembler

CVSS 5.5 - MEDIUM

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

local

low complexity

nasm

NVD

Published: 2023-08-22

Updated: 2024-10-07

Summary

A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.

Vulnerable Configurations

Part	Description	Count
Application	Nasm Nasm Netwide Assembler - Nasm Netwide Assembler 0.9 Nasm Netwide Assembler 0.90 Nasm Netwide Assembler 0.91 Nasm Netwide Assembler 0.92 Nasm Netwide Assembler 0.93 Nasm Netwide Assembler 0.94 Nasm Netwide Assembler 0.95 Nasm Netwide Assembler 0.96 Nasm Netwide Assembler 0.97 Nasm Netwide Assembler 0.98 Nasm Netwide Assembler 0.98.03 Nasm Netwide Assembler 0.98.06E Nasm Netwide Assembler 0.98.07 Nasm Netwide Assembler 0.98.08 Nasm Netwide Assembler 0.98.09 Nasm Netwide Assembler 0.98.10 Nasm Netwide Assembler 0.98.11 Nasm Netwide Assembler 0.98.12 Nasm Netwide Assembler 0.98.13 Nasm Netwide Assembler 0.98.14 Nasm Netwide Assembler 0.98.15 Nasm Netwide Assembler 0.98.16 Nasm Netwide Assembler 0.98.17 Nasm Netwide Assembler 0.98.18 Nasm Netwide Assembler 0.98.19 Nasm Netwide Assembler 0.98.20 Nasm Netwide Assembler 0.98.21 Nasm Netwide Assembler 0.98.22 Nasm Netwide Assembler 0.98.23 Nasm Netwide Assembler 0.98.24 Nasm Netwide Assembler 0.98.25 Nasm Netwide Assembler 0.98.26 Nasm Netwide Assembler 0.98.28 Nasm Netwide Assembler 0.98.30 Nasm Netwide Assembler 0.98.31 Nasm Netwide Assembler 0.98.32 Nasm Netwide Assembler 0.98.33 Nasm Netwide Assembler 0.98.34 Nasm Netwide Assembler 0.98.35 Nasm Netwide Assembler 0.98.36 Nasm Netwide Assembler 0.98.37 Nasm Netwide Assembler 0.98.38 Nasm Netwide Assembler 0.98.39 Nasm Netwide Assembler 0.99.05 Nasm Netwide Assembler 0.99.06 Nasm Netwide Assembler 2.00 Nasm Netwide Assembler 2.00.0 Nasm Netwide Assembler 2.01 Nasm Netwide Assembler 2.01.0 Nasm Netwide Assembler 2.02 Nasm Netwide Assembler 2.02.0 Nasm Netwide Assembler 2.03 Nasm Netwide Assembler 2.03.0 Nasm Netwide Assembler 2.03.01 Nasm Netwide Assembler 2.04 Nasm Netwide Assembler 2.04.0 Nasm Netwide Assembler 2.05 Nasm Netwide Assembler 2.05.0 Nasm Netwide Assembler 2.05.01 Nasm Netwide Assembler 2.06 Nasm Netwide Assembler 2.06.0 Nasm Netwide Assembler 2.07 Nasm Netwide Assembler 2.07.0 Nasm Netwide Assembler 2.08 Nasm Netwide Assembler 2.08.0 Nasm Netwide Assembler 2.08.01 Nasm Netwide Assembler 2.08.02 Nasm Netwide Assembler 2.09 Nasm Netwide Assembler 2.09.0 Nasm Netwide Assembler 2.09.01 Nasm Netwide Assembler 2.09.02 Nasm Netwide Assembler 2.09.03 Nasm Netwide Assembler 2.09.04 Nasm Netwide Assembler 2.09.05 Nasm Netwide Assembler 2.09.06 Nasm Netwide Assembler 2.09.07 Nasm Netwide Assembler 2.09.08 Nasm Netwide Assembler 2.09.09 Nasm Netwide Assembler 2.09.10 Nasm Netwide Assembler 2.10 Nasm Netwide Assembler 2.10.0 Nasm Netwide Assembler 2.10.01 Nasm Netwide Assembler 2.10.02 Nasm Netwide Assembler 2.10.03 Nasm Netwide Assembler 2.10.04 Nasm Netwide Assembler 2.10.05 Nasm Netwide Assembler 2.10.06 Nasm Netwide Assembler 2.10.07 Nasm Netwide Assembler 2.10.08 Nasm Netwide Assembler 2.10.09 Nasm Netwide Assembler 2.11 Nasm Netwide Assembler 2.11.0 Nasm Netwide Assembler 2.11.01 Nasm Netwide Assembler 2.11.02 Nasm Netwide Assembler 2.11.03 Nasm Netwide Assembler 2.11.04 Nasm Netwide Assembler 2.11.05 Nasm Netwide Assembler 2.11.06 Nasm Netwide Assembler 2.11.07 Nasm Netwide Assembler 2.11.08 Nasm Netwide Assembler 2.11.09 Nasm Netwide Assembler 2.12 Nasm Netwide Assembler 2.12.0 Nasm Netwide Assembler 2.12.01 Nasm Netwide Assembler 2.12.02 Nasm Netwide Assembler 2.12.03 Nasm Netwide Assembler 2.13 Nasm Netwide Assembler 2.13.0 Nasm Netwide Assembler 2.13.01 Nasm Netwide Assembler 2.13.02 Nasm Netwide Assembler 2.13.03 Nasm Netwide Assembler 2.14 Nasm Netwide Assembler 2.14.0 Nasm Netwide Assembler 2.14.01 Nasm Netwide Assembler 2.14.02 Nasm Netwide Assembler 2.14.03 Nasm Netwide Assembler 2.15 Nasm Netwide Assembler 2.15.01 Nasm Netwide Assembler 2.15.02 Nasm Netwide Assembler 2.15.03	399

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392643