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ALPINE-CVE-2019-16275
Vulnerability in hostapd (ALPINE-CVE-2019-16275)
Summary
vulnerability in hostapd (ALPINE-CVE-2019-16275). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2.8-r2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **ALPINE-CVE-2019-16275** has been found in hostapd.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade hostapd to **2.8-r2** or later.
If unsure, ask your IT team or search "hostapd ALPINE-CVE-2019-16275" on the vendor's site.
ALPINE-CVE-2019-16275 (hostapd) —
Attack vector: adjacent-network / unauthenticated / no user interaction
Patched: `2.8-r2` — 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 hostapd.
📍 Affected scope
hostapd — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.8-r2**.
🛡️ 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 'hostapd' .` 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 'hostapd' . | 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 `hostapd` 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 hostapd to 2.8-r2ステージング環境で 2.8-r2 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
Alpine:v3.10
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8-r2"}]}]
Alpine:v3.11
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.12
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.13
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.14
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.15
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.16
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.17
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.18
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.19
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.20
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.21
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.22
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.23
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.24
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r1"}]}]
Alpine:v3.7
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6-r6"}]}]
Alpine:v3.8
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6-r7"}]}]
Alpine:v3.9
hostapd
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7-r5"}]}]
Alpine:v3.10
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8-r3"}]}]
Alpine:v3.11
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.12
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.13
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.14
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.15
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.16
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.17
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.18
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.19
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.20
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.21
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.22
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.23
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.24
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9-r5"}]}]
Alpine:v3.7
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6-r16"}]}]
Alpine:v3.8
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6-r16"}]}]
Alpine:v3.9
wpa_supplicant
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7-r5"}]}]