PT-2019-18977 · Netwide+2 · Netwide Assembler+2

Published 2019-02-15 · Updated 2024-12-08 · CVE-2019-8343

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Netwide Assembler (NASM) version 2.14.02

Description The issue is related to a use-after-free in the paste tokens function located in asm/preproc.c. This indicates a memory management problem where memory is accessed after it has been freed, potentially leading to unexpected behavior or crashes.

Recommendations For Netwide Assembler (NASM) version 2.14.02, consider updating to a newer version that addresses this issue, as using a version with a use-after-free vulnerability can lead to instability or potential security risks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2020-2243

ALT-PU-2024-16552

CVE-2019-8343

Affected Products

Alt Linux

Debian

Netwide Assembler

References · 36

• 🔥 https://bugzilla.nasm.us/show_bug.cgi?id=3392556 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-18780 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6290 · Security Note
• https://ubuntu.com/security/CVE-2019-8343 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-8343 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-8343 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02930 · Security Note
• https://security-tracker.debian.org/tracker/source-package/nasm · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8343 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20334 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-8343 · Security Note
• https://osv.dev/vulnerability/CVE-2019-8343 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-8343 · Security Note
• https://bdu.fstec.ru/vul/2023-02141 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6291 · Security Note