CVE-2014-3603 Improper Validation of Certificate with Host Mismatch in Shibboleth Identity Provider and OpenSAML Java

What is CVE-2014-3603?

CVE-2014-3603 is a medium-severity vulnerability in Shibboleth; OpenSAML Java Identity Provider (IdP), published on 4 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The (1) HttpResource and (2) FileBackedHttpResource implementations in Shibboleth Identity Provider (IdP) before 2.4.1 and OpenSAML Java 2.6.2 do not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Weakness: CWE-297

Which versions are affected by CVE-2014-3603?

4 open source packages ship an affected version, including edu.internet2.middleware:shibboleth-identityprovider and org.opensaml:opensaml. It affects 2 products.

Products include Shibboleth Identity Provider, Shibboleth Opensaml Java.

How do I fix CVE-2014-3603?

Upgrade edu.internet2.middleware:shibboleth-identityprovider to 2.4.1 or later.

Is CVE-2014-3603 being exploited?

There is no known exploitation of CVE-2014-3603 in the wild and no public exploit code.

Other vulnerabilities in Shibboleth; OpenSAML Java Identity Provider (IdP)

• CVE-2020-27978 Denial of service in n/a High 7.5
• CVE-2015-1796 Improper Certificate Validation in Shibboleth Identity Provider and OpenSAML Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rm7v-gqfg-p2wc.