A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session.
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Link | Tags |
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https://jenkins.io/security/advisory/2018-06-25/#SECURITY-916 | vendor advisory |