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UBUNTU-CVE-2020-13844

Vulnérabilité dans gcc-3.3 (UBUNTU-CVE-2020-13844)

Résumé

vulnérabilité dans gcc-3.3 (UBUNTU-CVE-2020-13844). Des informations confidentielles peuvent être exposées. Atténuation : mise à jour vers `10.2.0-5ubuntu1~20.04` ou plus.

Résumé IA snake-internal / snake-material-v2

Une vulnérabilité référencée **UBUNTU-CVE-2020-13844** a été découverte dans gcc-3.3. Des informations confidentielles peuvent être exposées. Score CVSS : ?/10. Action : mettez à jour gcc-3.3 vers **10.2.0-5ubuntu1~20.04** ou supérieur. En cas de doute, contactez votre service informatique ou cherchez « gcc-3.3 UBUNTU-CVE-2020-13844 » sur le site de l'éditeur.
UBUNTU-CVE-2020-13844 (gcc-3.3) — Vecteur d'attaque : local / sans interaction utilisateur Correctif : `10.2.0-5ubuntu1~20.04` — appliquer immédiatement Plan : 1) Audit SBOM, 2) Mise à jour staging→prod, 3) Surveillance WAF/proxy sur les endpoints affectés, 4) Recherche d'IOC dans les logs. Réfs : voir GHSA / avis éditeur / version corrigée liés sur cette page.
❓ Quel est le problème
Une **vulnérabilité** (non classée) affecte gcc-3.3.
📍 Périmètre concerné
gcc-3.3 — .
🔥 Gravité
Gravité : ?. Des informations confidentielles peuvent être exposées
🔧 Comment corriger
Mettre à jour vers **10.2.0-5ubuntu1~20.04**.
🛡️ Contournement
En attendant le correctif : désactivez la fonctionnalité concernée, appliquez des règles WAF, ou restreignez l'accès par ACL réseau.
🔍 Détection
Recherchez dans les logs des requêtes correspondant aux IOC connus de cette CVE. Auditez les SBOM/dépendances.

Actions de réponse (7 étapes)

Étapes concrètes et exemples de commandes que les équipes SOC/SRE doivent exécuter dans l'ordre

  1. 1
    Identify exposure identify 
    grep -r 'gcc-3.3' . | 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 `gcc-3.3` を grep し、稼働しているサービス・バージョンを把握する。

  2. 6
    Apply patch patch 
    Upgrade gcc-3.3 to 10.2.0-5ubuntu1~20.04

    ステージング環境で 10.2.0-5ubuntu1~20.04 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。

  3. 7
    Post-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。

Paquets affectés

Ubuntu:14.04:LTS gcc-3.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS gcc-4.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS gcc-4.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS gccgo-4.9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS llvm-toolchain-3.6
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS llvm-toolchain-3.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:14.04:LTS llvm-toolchain-3.9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-5-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS llvm-toolchain-3.6
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS llvm-toolchain-3.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS llvm-toolchain-4.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-3.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.7-armel-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.7-armhf-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.8-arm64-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.8-armhf-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.8-powerpc-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.8-ppc64el-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-4.9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-arm-linux-androideabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-i686-linux-android
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-m68hc1x
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-msp430
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS llvm-toolchain-3.5
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS llvm-toolchain-3.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:16.04:LTS llvm-toolchain-3.9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-7-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-8-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS llvm-toolchain-3.9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-3.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-4.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-5-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-6
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-6-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-6-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-7-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-8-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-m68hc1x
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-msp430
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS llvm-toolchain-3.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS llvm-toolchain-4.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-10
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.0-5ubuntu1~20.04"}]}]
Ubuntu:20.04:LTS gcc-9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.0-1ubuntu1~20.04"}]}]
Ubuntu:20.04:LTS gcc-9-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21ubuntu7"}]}]
Ubuntu:20.04:LTS gcc-3.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-8-cross
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-8-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-9-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-m68hc1x
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-msp430
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-3.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-9-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-m68hc1x
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-msp430
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-3.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-9-cross-ports
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS gcc-arm-none-eabi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS gcc-avr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS gcc-h8300-hms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS gcc-mingw-w64
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS gcc-opt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS gcc-snapshot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

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