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CLSA-2024-1727979720

Vulnerability in bind9 (CLSA-2024-1727979720)

Summary

vulnerability in bind9 (CLSA-2024-1727979720). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CLSA-2024-1727979720** has been found in bind9. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade bind9 to **2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9** or later. If unsure, ask your IT team or search "bind9 CLSA-2024-1727979720" on the vendor's site.
CLSA-2024-1727979720 (bind9) — Patched: `2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9` — 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 bind9.
📍 Affected scope
bind9 — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9**.
🛡️ 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 'bind9' .` 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

  1. 1
    Identify exposure identify 
    grep -r 'bind9' . | 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 `bind9` を grep し、稼働しているサービス・バージョンを把握する。

  2. 6
    Apply patch patch 
    Upgrade bind9 to 2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9

    ステージング環境で 2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9 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。

  3. 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。

Affected packages

TuxCare:Ubuntu:16.04 bind9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 bind9-doc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 bind9-host
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 bind9utils
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 dnsutils
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 host
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libbind-dev
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libbind-export-dev
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libbind9-140
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libdns-export162
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libdns162
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libirs-export141
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libirs141
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libisc-export160
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libisc160
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libisccc-export140
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libisccc140
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libisccfg-export140
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 libisccfg140
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 liblwres141
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]
TuxCare:Ubuntu:16.04 lwresd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els9"}]}]

References

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