CVE-2017-17815

MEDIUM

Netwide Assembler 2.14rc0 - Denial of Service via Missing Parameter Count Check in is_mmacro()

Title source: llm
STIX 2.1

Description

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in is_mmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.

References (3)

Core 3
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3694-1/
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.nasm.us/show_bug.cgi?id=3392436

Scores

CVSS v3 5.5
EPSS 0.0145
EPSS Percentile 70.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-754
Status published
Products (2)
canonical/ubuntu_linux 14.04
nasm/netwide_assembler 2.14 rc0
Published Dec 21, 2017
Tracked Since Feb 18, 2026