Vulnerability in erlang
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 UBUNTU-CVE-2022-37026 has been found in erlang.
Successful exploitation can lead to full system takeover.
What to do: upgrade erlang to 1:22.2.7+dfsg-1ubuntu0.2 or later.
If unsure, ask your IT team or search "erlang UBUNTU-CVE-2022-37026" on the vendor's site.
UBUNTU-CVE-2022-37026 (erlang)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 1:22.2.7+dfsg-1ubuntu0.2 — 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.
A vulnerability (unclassified) exists in erlang.
Check the vendor advisory for the affected versions of erlang.
Severity: ?. Successful exploitation can lead to full system takeover.
Update to 1:22.2.7+dfsg-1ubuntu0.2.
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 'erlang' . 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 'erlang' . | 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
erlang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 erlang to 1:22.2.7+dfsg-1ubuntu0.2ステージング環境で 1:22.2.7+dfsg-1ubuntu0.2 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 |
|---|---|---|---|
| Ubuntu:Pro:14.04:LTS | erlang |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | erlang |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | erlang |
All versions |
— |
| Ubuntu:20.04:LTS | erlang |
< 1:22.2.7+dfsg-1ubuntu0.2 |
1:22.2.7+dfsg-1ubuntu0.2 |
| Ubuntu:22.04:LTS | erlang |
< 1:24.2.1+dfsg-1ubuntu0.1 |
1:24.2.1+dfsg-1ubuntu0.1 |
Original description The description as published by the source.
In Erlang/OTP before 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there is a Client Authentication Bypass in certain client-certification situations for SSL, TLS, and DTLS.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory ubuntu.com
- report ubuntu.com
- report github.com
- report erlangforums.com
- report erlangforums.com
- report cve.org