Cache-timing attacks in Shamir's secret sharing in github.com/hashicorp/vault
HashiCorp Vault's implementation of Shamir's secret sharing uses precomputed table lookups, and is 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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-25000US | medium4.7 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
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