Vulnerability Details CVE-2015-5372
The SAML 2.0 implementation in AdNovum nevisAuth 4.13.0.0 before 4.18.3.1, when using SAML POST-Binding, does not match all attributes of the X.509 certificate embedded in the assertion against the certificate from the identity provider (IdP), which allows remote attackers to inject arbitrary SAML assertions via a crafted certificate.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 42.0%
CVSS Severity
CVSS v2 Score 5.0
References
- http://blog.csnc.ch/2015/09/saml-sp-authentication-bypass-vulnerability-in-nevisauth
- http://packetstormsecurity.com/files/133628/nevisAuth-Authentication-Bypass.html
- http://seclists.org/fulldisclosure/2015/Sep/87
- http://www.csnc.ch/misc/files/advisories/CVE-2015-5372_AdNovum_nevisAuth_Authentication_Bypass.txt
- http://www.securityfocus.com/archive/1/536508/100/0/threaded
- http://blog.csnc.ch/2015/09/saml-sp-authentication-bypass-vulnerability-in-nevisauth
- http://packetstormsecurity.com/files/133628/nevisAuth-Authentication-Bypass.html
- http://seclists.org/fulldisclosure/2015/Sep/87
- http://www.csnc.ch/misc/files/advisories/CVE-2015-5372_AdNovum_nevisAuth_Authentication_Bypass.txt
- http://www.securityfocus.com/archive/1/536508/100/0/threaded