SB2023042132 - Multiple vulnerabilities in Cloud Foundry UAA
Published: April 21, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Security features bypass (CVE-ID: CVE-2023-20873)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to security features bypass. A remote attacker can cause security bypass on the target system.
2) Security features bypass (CVE-ID: CVE-2023-20862)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the logout support does not properly clean the security context if using serialized versions. A remote attacker can save an empty security context to the HttpSessionSecurityContextRepository and keep users authenticated even after they performed logout.
3) Input validation error (CVE-ID: CVE-2023-20863)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can use a specially crafted SpEL expression and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.