← Back
UBUNTU-CVE-2021-44716
Vulnerability in golang-golang-x-net-dev (UBUNTU-CVE-2021-44716)
Summary
vulnerability in golang-golang-x-net-dev (UBUNTU-CVE-2021-44716). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `20231004.02-0ubuntu1~20.04.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **UBUNTU-CVE-2021-44716** has been found in golang-golang-x-net-dev.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade golang-golang-x-net-dev to **20231004.02-0ubuntu1~20.04.3** or later.
If unsure, ask your IT team or search "golang-golang-x-net-dev UBUNTU-CVE-2021-44716" on the vendor's site.
UBUNTU-CVE-2021-44716 (golang-golang-x-net-dev) —
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `20231004.02-0ubuntu1~20.04.3` — 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 golang-golang-x-net-dev.
📍 Affected scope
golang-golang-x-net-dev — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **20231004.02-0ubuntu1~20.04.3**.
🛡️ 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 'golang-golang-x-net-dev' .` 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 'golang-golang-x-net-dev' . | 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 `golang-golang-x-net-dev` 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 golang-golang-x-net-dev to 20231004.02-0ubuntu1~20.04.3ステージング環境で 20231004.02-0ubuntu1~20.04.3 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
Ubuntu:Pro:16.04:LTS
golang-golang-x-net-dev
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:16.04:LTS
google-guest-agent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS
golang-1.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:18.04:LTS
golang-golang-x-net-dev
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:18.04:LTS
google-guest-agent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS
google-guest-agent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20231004.02-0ubuntu1~20.04.3"}]}]
Ubuntu:Pro:20.04:LTS
golang-golang-x-net-dev
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
golang-1.17
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
google-guest-agent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20231004.02-0ubuntu1~22.04.3"}]}]
References
- report https://ubuntu.com/security/CVE-2021-44716
- report https://groups.google.com/g/golang-announce/c/hcmEScgc00k/m/ZWnOjeY4CQAJ
- report https://github.com/golang/go/commit/48d948963c5ce7add72af5665a871caff6c1d35a
- report https://github.com/golang/net/commit/491a49abca63de5e07ef554052d180a1b5fe2d70
- report https://www.cve.org/CVERecord?id=CVE-2021-44716