SB2021060327 - Insufficient session expiration in HashiCorp Vault
Published: June 3, 2021 Updated: August 4, 2022
Security Bulletin ID
SB2021060327
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 security vulnerability.
1) Insufficient Session Expiration (CVE-ID: CVE-2021-32923)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to application allows the renewal of nearly-expired token leases and dynamic secret leases (specifically, those within 1 second of their maximum TTL), which caused them to be incorrectly treated as non-expiring during subsequent use. A remote non-authenticated attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.
Remediation
Install update from vendor's website.