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CVE-2018-20303
Path Traversal in gogs.io/gogs (CVE-2018-20303)
Summary
path traversal in gogs.io/gogs (CVE-2018-20303). Data can be tampered with by attackers. Mitigation: upgrade to `0.11.80-0.20181218063808-ff93d9dbda5c` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2018-20303** has been found in gogs.io/gogs.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: upgrade gogs.io/gogs to **0.11.80-0.20181218063808-ff93d9dbda5c** or later.
If unsure, ask your IT team or search "gogs.io/gogs CVE-2018-20303" on the vendor's site.
CVE-2018-20303 (gogs.io/gogs) — CWE-22 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `0.11.80-0.20181218063808-ff93d9dbda5c` — 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
**Path traversal** (CWE-22) exists in gogs.io/gogs.
📍 Affected scope
gogs.io/gogs — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to **0.11.80-0.20181218063808-ff93d9dbda5c**.
🛡️ 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 'gogs.io/gogs' .` 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
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1Identify exposure identify
grep -r 'gogs.io/gogs' . | 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 `gogs.io/gogs` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade gogs.io/gogs to 0.11.80-0.20181218063808-ff93d9dbda5cステージング環境で 0.11.80-0.20181218063808-ff93d9dbda5c 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。
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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
go
gogs.io/gogs
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.11.80-0.20181218063808-ff93d9dbda5c"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2018-20303
- package https://github.com/gogs/gogs
- web https://github.com/gogs/gogs/issues/5558
- web https://github.com/gogs/gogs/commit/ff93d9dbda5cebe90d86e4b7dfb2c6b8642970ce
- web https://pentesterlab.com/exercises/cve-2018-18925
- web https://github.com/advisories/GHSA-9hxg-w7qf-hh93