| Titre | jeremyckahn Chitchatter develop branch @ 23b62a8 (source) authentication bypass / identity takeover |
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| Description | isConfigMessageEvent derives the trusted parent origin from the attacker-controllable parentDomain URL parameter; a malicious embedder can deliver a config postMessage with attacker-generated ECDSA key material that are merged into UserSettings and persisted in IndexedDB, enabling impersonation in E2E rooms. Static source review verified the full chain. |
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| La source | ⚠️ https://github.com/0xGenesi/CVE/blob/main/Chitchatter_SDK_postMessage_Identity_Key_Injection.md |
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| Utilisateur | chenhuanlin (UID 100424) |
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| Soumission | 06/10/2026 06:44 (il y a 22 jours) |
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| Modérer | 27/10/2026 17:49 (22 days later) |
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| Statut | Accepté |
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| Entrée VulDB | 427456 [jeremyckahn Chitchatter PostMessage src/Bootstrap.tsx isConfigMessageEvent parentDomain authentification faible] |
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| Points | 18 |
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