Description
An XML external entities (XXE) vulnerability in Jenkins Pipeline Maven Integration Plugin 1.7.0 and earlier allowed attackers able to control a temporary directory's content on the agent running the Maven build to have Jenkins parse a maliciously crafted XML file that uses external entities for extraction of secrets from the Jenkins master, server-side request forgery, or denial-of-service attacks.
Remediation
References
http://www.openwall.com/lists/oss-security/2019/05/31/2
http://www.securityfocus.com/bid/108540
https://jenkins.io/security/advisory/2019-05-31/#SECURITY-1409
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