CVE-2023-25000
Vault Vulnerable to Cache-Timing Attacks During Seal and Unseal Operations
4.7
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
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.
How to fix CVE-2023-25000
To remediate CVE-2023-25000, upgrade the affected package to a fixed version below.
- —upgrade to 1.11.9 or later
- —upgrade to 1.11.9 or later
- —upgrade to 1.11.9 or later
Is CVE-2023-25000 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.11.9, >= 1.12.0, < 1.12.5, >= 1.13.0, < 1.13.1
- from 0, < 1.11.9
- from 0, < 1.11.9, >= 1.12.0, < 1.12.5, >= 1.13.0, < 1.13.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |