Out-of-bounds write in Netwide Assembler - CVE-2018-16999
Published: September 13, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36700
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-2018-16999
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Netwide Assembler
Affected software:
Netwide Assembler
Netwide Assembler
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation fault) in expand_smacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file.
How to mitigate CVE-2018-16999
Install update from vendor's website.