Description
Jenkins Self-Organizing Swarm Plug-in Modules Plugin clients that use UDP broadcasts to discover Jenkins masters do not prevent XML External Entity processing when processing the responses, allowing unauthorized attackers on the same network to read arbitrary files from Swarm clients.
Remediation
References
http://www.openwall.com/lists/oss-security/2019/04/30/5
http://www.securityfocus.com/bid/108159
https://jenkins.io/security/advisory/2019-04-30/#SECURITY-1252
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0783
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