Description
Jenkins Gitea Plugin 1.1.1 and earlier did not implement trusted revisions, allowing attackers without commit access to the Git repo to change Jenkinsfiles even if Jenkins is configured to consider them to be untrusted.
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-1046
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CVE-2018-11040 Vulnerability in maven package org.springframework:spring-webmvc
CVE-2020-8441 Vulnerability in maven package org.jyaml:jyaml