CVE-2023-4680 — Reusing a Nonce, Key Pair in Encryption in Vault
Severity
6.8MEDIUMNVD
EPSS
1.5%
top 18.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 15
Latest updateAug 21
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:NExploitability: 1.6 | Impact: 5.2
Affected Packages4 packages
🔴Vulnerability Details
3📋Vendor Advisories
1Red Hat▶
vault: HashiCorp Vault Improper Input Validation vulnerability in github.com/hashicorp/vault↗2023-11-06