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CVE-2023-4680— Vault's Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption

Quick assessment

Affected
HashiCorp Vault
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HashiCorp Vault是美国HashiCorp公司的一款私钥访问管理工具。 HashiCorp Vault和Vault Enterprise 1.6.0及之后版本存在输入验证错误漏洞，该漏洞源于transit secrets engine存在安全漏洞，允许在没有聚合加密的情况下指定保管库的传输机密引擎。

CVSS 6.8 · Medium EPSS 0.44% · P38

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2023-4680

Vulnerability Information
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Vulnerability Title
Vault's Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption
Source: CVE Program / CVE List V5
Vulnerability Description
HashiCorp Vault and Vault Enterprise transit secrets engine allowed authorized users to specify arbitrary nonces, even with convergent encryption disabled. The encrypt endpoint, in combination with an offline attack, could be used to decrypt arbitrary ciphertext and potentially derive the authentication subkey when using transit secrets engine without convergent encryption. Introduced in 1.6.0 and fixed in 1.14.3, 1.13.7, and 1.12.11.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在加密中重用Nonce与密钥对
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp Vault 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Vault是美国HashiCorp公司的一款私钥访问管理工具。 HashiCorp Vault和Vault Enterprise 1.6.0及之后版本存在输入验证错误漏洞，该漏洞源于transit secrets engine存在安全漏洞，允许在没有聚合加密的情况下指定保管库的传输机密引擎。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HashiCorp Vault 1.14.0 ~ 1.14.3 -
HashiCorp Vault Enterprise 1.14.0 ~ 1.14.3 -

II. Public POCs for CVE-2023-4680

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III. Intelligence Information for CVE-2023-4680

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Other References for CVE-2023-4680 (1)

IV. Related Vulnerabilities

Same product: Vault
Same vendor: HashiCorp
Same weakness: CWE-323