| Título | jeremyckahn Chitchatter develop branch @ 23b62a8 (source) authentication bypass / identity takeover |
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| Descrição | 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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| Fonte | ⚠️ https://github.com/0xGenesi/CVE/blob/main/Chitchatter_SDK_postMessage_Identity_Key_Injection.md |
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| Utilizador | chenhuanlin (UID 100424) |
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| Submissão | 06/10/2026 06h44 (há 22 dias) |
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| Moderação | 27/10/2026 17h49 (22 days later) |
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| Estado | Aceite |
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| Entrada VulDB | 427456 [jeremyckahn Chitchatter até f82538633813c854a81a8b2112a2f6ba17b39cbc PostMessage src/Bootstrap.tsx isConfigMessageEvent parentDomain Autenticação fraca] |
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| Pontos | 18 |
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