SB2023050132 - Padding Oracle in HashiCorp Vault Enterprise
Published: May 1, 2023
Security Bulletin ID
SB2023050132
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2023-2197)
CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to Vault HSM integration configurations do not properly applying an HMAC to messages sent from the HSM when using a CBC-based encryption mechanism. A remote attacker can perform a padding oracle attack.
Remediation
Install update from vendor's website.