Main Vulnerability Database Vulnerabilities #VU46304

Use-after-free in Netwide Assembler - CVE-2020-24241

Published: August 25, 2020 / Updated: September 7, 2020

Vulnerability identifier: #VU46304

CSH Severity: Medium

CVSS v4: 6.9 [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]

CVE-ID: CVE-2020-24241

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c.

Netwide Assembler
openEuler
nasm
nasm-debuginfo
nasm-debugsource
nasm-help

Install update from vendor's website.

nasm - update to 2.15.03-2
nasm-debuginfo - update to 2.15.03-2
nasm-debugsource - update to 2.15.03-2
nasm-help - update to 2.15.03-2