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DEBIAN-CVE-2023-44487
Vulnerability in dnsdist (DEBIAN-CVE-2023-44487)
Summary
vulnerability in dnsdist (DEBIAN-CVE-2023-44487). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `1.8.2-2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **DEBIAN-CVE-2023-44487** has been found in dnsdist.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade dnsdist to **1.8.2-2** or later.
If unsure, ask your IT team or search "dnsdist DEBIAN-CVE-2023-44487" on the vendor's site.
DEBIAN-CVE-2023-44487 (dnsdist) —
Patched: `1.8.2-2` — 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 dnsdist.
📍 Affected scope
dnsdist — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.8.2-2**.
🛡️ 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 'dnsdist' .` 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
-
1Identify exposure identify
grep -r 'dnsdist' . | 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 `dnsdist` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade dnsdist to 1.8.2-2ステージング環境で 1.8.2-2 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。
-
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
Debian:11
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]
Debian:14
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]
Debian:11
grpc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
grpc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
grpc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
grpc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:11
h2o
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
h2o
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:11
haproxy
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.13-1"}]}]
Debian:12
haproxy
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.13-1"}]}]
Debian:13
haproxy
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.13-1"}]}]
Debian:14
haproxy
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.13-1"}]}]
Debian:11
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.50-4+deb11u1"}]}]
Debian:12
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.50-4+deb12u2"}]}]
Debian:13
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.53-1"}]}]
Debian:14
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.53-1"}]}]
Debian:11
netty
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.48-4+deb11u2"}]}]
Debian:12
netty
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.48-7+deb12u1"}]}]
Debian:13
netty
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.48-8"}]}]
Debian:14
netty
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.48-8"}]}]
Debian:11
nghttp2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.43.0-1+deb11u1"}]}]
Debian:12
nghttp2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.52.0-1+deb12u1"}]}]
Debian:13
nghttp2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.57.0-1"}]}]
Debian:14
nghttp2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.57.0-1"}]}]
Debian:11
nginx
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
nginx
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
nginx
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.0-2"}]}]
Debian:14
nginx
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.0-2"}]}]
Debian:12
tomcat10
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.6-1+deb12u1"}]}]
Debian:13
tomcat10
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.14-1"}]}]
Debian:14
tomcat10
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.14-1"}]}]
Debian:11
tomcat9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.43-2~deb11u7"}]}]
Debian:12
tomcat9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.70-2"}]}]
Debian:13
tomcat9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.70-2"}]}]
Debian:14
tomcat9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.70-2"}]}]
Debian:11
trafficserver
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.9+ds-1~deb11u1"}]}]
Debian:12
trafficserver
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.2.3+ds-1+deb12u1"}]}]
Debian:11
varnish
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
varnish
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
varnish
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.0-1"}]}]
Debian:14
varnish
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.0-1"}]}]