Vulnerability in nasm (UBUNTU-CVE-2018-16382)

Summary

vulnerability in nasm (UBUNTU-CVE-2018-16382). Risk of unauthorized operations or information disclosure.

Original description

The description as published by the source.

Netwide Assembler (NASM) 2.14rc15 has a buffer over-read in x86/regflags.c.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A weakness called UBUNTU-CVE-2018-16382 was discovered in Netwide Assembler.
Severity is Info. Low severity or not yet rated.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Netwide Assembler UBUNTU-CVE-2018-16382".

UBUNTU-CVE-2018-16382 (Netwide Assembler). Severity: Info.
Response plan:

Check the vendor advisory for affected versions and the patched release.
If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.

❓ What is the problem

A weakness (UBUNTU-CVE-2018-16382) in Netwide Assembler. A serious software flaw has been identified.

📍 Affected scope

Target versions of Netwide Assembler (see vendor advisory). If running in production, identify exposure immediately.

🔥 Severity

Severity: Info. Low severity or not yet rated.

🔧 How to fix

Update to the patched release as listed in the vendor advisory.

🛡️ Workaround

If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.

🔍 Detection

Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
grep -r 'nasm' . | grep -v node_modules
```
リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で nasm を grep し、稼働しているサービス・バージョンを把握する。
7
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。