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Ledger 披露漏洞細節:螢幕顯示參數可能與最終簽名參數不一致

2026-08-28 08:14:04

ChainCatcher 消息,Ledger 昨日於官網披露 LSB 023 安全漏洞細節。部分基於 Ledger Secure SDK 構建的應用在用戶進行螢幕確認期間仍可能接收新的 APDU 指令,導致螢幕顯示的參數與最終簽名參數不一致。

在攻擊者控制設備與主機間 APDU 通信的情況下,用戶確認螢幕所示操作後,設備可能對不同參數生成簽名。Ledger 表示已透過應用級校驗和 SDK 層修復該問題,並於 8 月 21 日發布 Ledger Secure SDK v26.6.1,相關應用已重新構建並發布。用戶需透過 Ledger Live 更新應用,僅更新設備固件不足以完成修復。不過,Ledger 稱目前沒有證據顯示該漏洞已被實際利用。

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