SB2023092034 - Authentication Bypass by Alternate Name in Sustainsys.Saml2
Published: September 20, 2023
Security Bulletin ID
SB2023092034
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Authentication Bypass by Alternate Name (CVE-ID: CVE-2023-41890)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to insufficient identity provider issuer validation. A remote attacker can craft a Saml2 response that is processed as if issued by another identity provider or cause stored state intended for one identity provider to be used when processing the response from another provider.
Remediation
Install update from vendor's website.