Vulnerability Report

CVE-2023-25000

Title: Cache-timing attacks on HashiCorp Vault Shamir's secret sharing

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2023-25000.

CWE Category CWE-203
Published Date Mar 30, 2023
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.0 CVSS v3.1
Exploit Probability (EPSS)
0.05%

Vulnerability Summary

CVE-2023-25000: 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.

Impacted Vendors

T
tibco 1
H
hashicorp 1

Reference Links

https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078 https://security.netapp.com/advisory/ntap-20230526-0008/ https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078 https://security.netapp.com/advisory/ntap-20230526-0008/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.7
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-25000 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N

Affected Stack

No specific products linked.