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CVE-2023-42950

Vulnerability in java (CVE-2023-42950)

Summary

Vulnerability in java (CVE-2023-42950). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 1.8.0, 8.0.431 or later.

Original description

The description as published by the source.

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 17.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2, watchOS 10.2, macOS Sonoma 14.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Source: OSV.dev (Open Source Vulnerabilities) NVD 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 vulnerability tracked as CVE-2023-42950 has been found in java.
Successful exploitation can lead to full system takeover.
What to do: upgrade java to 1.8.0, 8.0.431 or later.
If unsure, ask your IT team or search "java CVE-2023-42950" on the vendor's site.

CVE-2023-42950 (java)
Attack vector: remote (network-reachable) / unauthenticated
Patched: 1.8.0, 8.0.431 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in java.

📍 Affected scope

Check the vendor advisory for the affected versions of java.

🔥 Severity

Severity: ?. Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to 1.8.0, 8.0.431.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'java' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

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

  1. 1
    Identify exposure identify 
    grep -r 'java' . | 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 java を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply patch patch 
    Upgrade java to 1.8.0, 8.0.431

    ステージング環境で 1.8.0, 8.0.431 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  3. 3
    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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

Bitnami java
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.0"},{"introduced":"1.9.0"},{"fixed":"8.0.431"}]}]
Bitnami java-min
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.0"},{"introduced":"1.9.0"},{"fixed":"8.0.431"}]}]
Bitnami jre
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.0"},{"introduced":"1.9.0"},{"fixed":"8.0.431"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

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