Incorrect Implementation of Authentication Algorithm in Siemens Mendix SAML Module

1) Incorrect Implementation of Authentication Algorithm

EUVDB-ID: #VU73709

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-25957

CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected application insufficiently verifies the SAML assertions. A remote attacker can bypass authentication and get access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mendix SAML (Mendix 7 compatible): - - 1.17.2

Mendix SAML (Mendix 8 compatible): - - 2.2.3

Mendix SAML (Mendix 9 compatible, New Track): - - 3.2.5

Mendix SAML (Mendix 9 compatible, Upgrade Track): - - 3.2.5

CPE2.3

• cpe:2.3:a:siemens:mendix_saml_mendix_7_compatible:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_7_compatible:1.16.4:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_7_compatible:1.17.2:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_8_compatible:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_8_compatible:2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_8_compatible:2.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_9_compatible:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_9_compatible:3.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_9_compatible:3.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_saml_mendix_9_compatible-_upgrade_track:*:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-851884.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.