CVE-2023-25000
Last modified
CVE-2023-25000 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. 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. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hashicorp | Vault | < 1.11.9 |
| Hashicorp | Vault | >= 1.12.0, < 1.12.5 |
| Hashicorp | Vault | >= 1.13.0, < 1.13.1 |
References
- https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078Issue Tracking, Patch, Vendor Advisory
- https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078Issue Tracking, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-25000?
How severe is CVE-2023-25000?
How do I fix CVE-2023-25000?
Are you affected by CVE-2023-25000?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST