Out-of-bounds read in Netwide Assembler - CVE-2019-20352
Published: January 6, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34909
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-20352
CWE-ID: CWE-125
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 #BASIC_IMPACT#.
In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.
How to mitigate CVE-2019-20352
Install update from vendor's website.