Buffer overflow in Netwide Assembler - CVE-2018-1000886

 

Buffer overflow in Netwide Assembler - CVE-2018-1000886

Published: December 20, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU36276
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-1000886
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Netwide Assembler
Affected software:
Netwide Assembler

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

nasm version 2.14.01rc5, 2.15 contains a Buffer Overflow vulnerability in asm/stdscan.c:130 that can result in Stack-overflow caused by triggering endless macro generation, crash the program. This attack appear to be exploitable via a crafted nasm input file.


How to mitigate CVE-2018-1000886

Install update from vendor's website.

Sources