PT-2023-11599 · Nasm+1 · Nasm+1

Suhwan · Published 2023-08-22 · Updated 2024-07-05 · CVE-2020-21687

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions nasm version 2.15rc0

Description The issue is related to a Buffer Overflow vulnerability in the scan function in stdscan.c. This vulnerability allows remote attackers to cause a denial of service via crafted asm files.

Recommendations For nasm version 2.15rc0, consider updating to a newer version that contains a fix for this issue, as using crafted asm files can lead to a denial of service. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-21687

OESA-2024-1814

Affected Products

Astra Linux

Nasm

References · 15

• 🔥 https://bugzilla.nasm.us/show_bug.cgi?id=3392645 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-21687 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-21687 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21685 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-21687 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-21687 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-21687 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-21687 · Security Note
• https://ubuntu.com/security/CVE-2020-21687 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21686 · Security Note
• https://osv.dev/vulnerability/OESA-2024-1814 · Vendor Advisory
• https://t.me/cibsecurity/69027 · Telegram Post
• https://t.me/cvenotify/57104 · Telegram Post
• https://t.me/cvenotify/57332 · Telegram Post
• https://openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1814 · Note