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Ledger 披露漏洞细节:屏幕显示参数可能与最终签名参数不一致

2026-08-28 08:14:04

ChainCatcher 消息,Ledger 昨日于官网披露 LSB 023 安全漏洞细节。部分基于 Ledger Secure SDK 构建的应用在用户进行屏幕确认期间仍可能接收新的 APDU 指令,导致屏幕显示的参数与最终签名参数不一致。

在攻击者控制设备与主机间 APDU 通信的情况下,用户确认屏幕所示操作后,设备可能对不同参数生成签名。Ledger 表示已通过应用级校验和 SDK 层修复该问题,并于 8 月 21 日发布 Ledger Secure SDK v26.6.1,相关应用已重新构建并发布。用户需通过 Ledger Live 更新应用,仅更新设备固件不足以完成修复。不过,Ledger 称目前没有证据显示该漏洞已被实际利用。

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