SB2024032029 - PKCE downgrade in Spring Authorization Server
Published: March 20, 2024
Security Bulletin ID
SB2024032029
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) Improper Authentication (CVE-ID: CVE-2024-22258)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to PKCE downgrade when a Confidential Client uses PKCE for the Authorization Code Grant. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Remediation
Install update from vendor's website.