Vulnerability in bind9
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 DEBIAN-CVE-2019-6465 has been found in bind9.
Risk of unauthorized operations or information disclosure.
What to do: upgrade bind9 to 1:9.11.5.P4+dfsg-1 or later.
If unsure, ask your IT team or search "bind9 DEBIAN-CVE-2019-6465" on the vendor's site.
DEBIAN-CVE-2019-6465 (bind9)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 1:9.11.5.P4+dfsg-1 — 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.
A vulnerability (unclassified) exists in bind9.
Check the vendor advisory for the affected versions of bind9.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to 1:9.11.5.P4+dfsg-1.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
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
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1
Identify exposureidentify
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
Apply patchpatch
Upgrade bind9 to 1:9.11.5.P4+dfsg-1ステージング環境で 1:9.11.5.P4+dfsg-1 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
Post-deployment verificationverify
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
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Debian:12 | bind9 |
< 1:9.11.5.P4+dfsg-1 |
1:9.11.5.P4+dfsg-1 |
| Debian:13 | bind9 |
< 1:9.11.5.P4+dfsg-1 |
1:9.11.5.P4+dfsg-1 |
| Debian:14 | bind9 |
< 1:9.11.5.P4+dfsg-1 |
1:9.11.5.P4+dfsg-1 |
Original description The description as published by the source.
Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the zones are writable Versions affected: BIND 9.9.0 -> 9.10.8-P1, 9.11.0 -> 9.11.5-P2, 9.12.0 -> 9.12.3-P2, and versions 9.9.3-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected. Versions prior to BIND 9.9.0 have not been evaluated for vulnerability to CVE-2019-6465.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory security-tracker.debian.org