Advisory Weakness Curation

Jenkins SAML Single Sign On(SSO) Plugin missing hostname validation Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier does not perform hostname validation when connecting to miniOrange or the configured IdP to retrieve SAML metadata. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections. SAML Single Sign On(SSO) Plugin 2.1.0 performs hostname validation when connecting to miniOrange or the configured IdP to retrieve SAML metadata.

Insufficient Verification of Data Authenticity Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier does not perform hostname validation when connecting to miniOrange or the configured IdP to retrieve SAML metadata, which could be abused using a man-in-the-middle attack to intercept these connections.