Buffer overflow in Netwide Assembler - CVE-2019-7147
Published: January 29, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU36187
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-2019-7147
CWE-ID: CWE-119
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.
A buffer over-read exists in the function crc64ib in crc64.c in nasmlib in Netwide Assembler (NASM) 2.14rc16. A crafted asm input can cause segmentation faults, leading to denial-of-service.
How to mitigate CVE-2019-7147
Install update from vendor's website.