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
Related Vulnerabilities
CVE-2018-20433 Vulnerability in maven package com.mchange:c3p0
CVE-2020-17533 Vulnerability in maven package org.apache.accumulo:accumulo-core
CVE-2019-1003093 Vulnerability in maven package org.jenkins-ci.plugins:nomad
CVE-2021-4264 Vulnerability in maven package org.webjars.bower:dustjs-linkedin
CVE-2011-4367 Vulnerability in maven package org.apache.myfaces.core:myfaces-core-project