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

 

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

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


Vulnerability identifier: #VU46304
CSH Severity: Medium
CVSS v4.0: 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-2020-24241
CWE-ID: CWE-416
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.

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


How to mitigate CVE-2020-24241

Install update from vendor's website.

Sources