https://bugzilla.redhat.com/show_bug.cgi?id=1609624
Bug ID: 1609624 Summary: CVE-2018-1999007 jenkins: HTTP 404 error pages do not escape URLs when Stapler framework used in debug mode, allowing for XSS Product: Security Response Component: vulnerability Keywords: Security Severity: medium Priority: medium Assignee: security-response-team@redhat.com Reporter: sfowler@redhat.com CC: ahardin@redhat.com, aos-bugs@redhat.com, bleanhar@redhat.com, bparees@redhat.com, ccoleman@redhat.com, dedgar@redhat.com, java-sig-commits@lists.fedoraproject.org, jgoulding@redhat.com, jokerman@redhat.com, mchappel@redhat.com, mizdebsk@redhat.com, msrb@redhat.com Blocks: 1609611
Stapler is the web framework used by Jenkins to route HTTP requests. When its debug mode is enabled, HTTP 404 error pages display diagnostic information. Those error pages did not escape parts of URLs they displayed, in rare cases resulting in a cross-site scripting vulnerability.
External Reference:
https://jenkins.io/security/advisory/2018-07-18/#SECURITY-390