Vault Vulnerable to Cache-Timing Attacks During Seal and Unseal Operations

HashiCorp Vault's implementation of Shamir's secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space of a brute force effort to recover the Shamir shares. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9.

CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N

通过时间差异性导致的信息暴露

HashiCorp Vault 安全漏洞

HashiCorp Vault是美国HashiCorp公司的一款私钥访问管理工具。 HashiCorp Vault存在安全漏洞，该漏洞源于容易受到缓存定时攻击，攻击者如果能够通过侧通道观察到主机上的大量解封操作，就可以减少用暴力手段恢复Shamir共享的搜索空间。

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