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UBUNTU-CVE-2023-3180
Vulnerability in qemu (UBUNTU-CVE-2023-3180)
Summary
vulnerability in qemu (UBUNTU-CVE-2023-3180). Risk of unauthorized operations or information disclosure. Exploitable via ``src_len``. Mitigation: upgrade to `1:2.11+dfsg-1ubuntu7.42+esm5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **UBUNTU-CVE-2023-3180** has been found in qemu.
Attackers can target a specific entry point like ``src_len`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade qemu to **1:2.11+dfsg-1ubuntu7.42+esm5** or later.
If unsure, ask your IT team or search "qemu UBUNTU-CVE-2023-3180" on the vendor's site.
UBUNTU-CVE-2023-3180 (qemu) —
Attack vector: local / no user interaction
Attack surface: `src_len` / `dst_len`
Patched: `1:2.11+dfsg-1ubuntu7.42+esm5` — 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 qemu. Attackers reach the vulnerable code path via ``src_len`` without authentication.
📍 Affected scope
qemu — . Attack surface: `src_len` / `dst_len`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1:2.11+dfsg-1ubuntu7.42+esm5**.
🛡️ 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 'qemu' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'qemu' . | 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 `qemu` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade qemu to 1:2.11+dfsg-1ubuntu7.42+esm5ステージング環境で 1:2.11+dfsg-1ubuntu7.42+esm5 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-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。
Affected packages
Ubuntu:Pro:18.04:LTS
qemu
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.11+dfsg-1ubuntu7.42+esm5"}]}]
Ubuntu:20.04:LTS
qemu
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2-3ubuntu6.28"}]}]
Ubuntu:22.04:LTS
qemu
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:6.2+dfsg-2ubuntu6.16"}]}]