Improper Input Validation Affecting org.jenkins-ci.plugins:email-ext package, versions [,2.76)
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Test your applications- Snyk ID SNYK-JAVA-ORGJENKINSCIPLUGINS-728001
- published 17 Sep 2020
- disclosed 17 Sep 2020
- credit Unknown
Introduced: 17 Sep 2020
CVE-2020-2253 Open this link in a new tabHow to fix?
Upgrade org.jenkins-ci.plugins:email-ext to version 2.76 or higher.
Overview
org.jenkins-ci.plugins:email-ext is a plugin that allows you to configure every aspect of email notifications.
Affected versions of this package are vulnerable to Improper Input Validation. It does not perform hostname validation when connecting to the configured SMTP server. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections.Email Extension Plugin 2.76 validates the SMTP hostname when connecting via TLS by default. In Email Extension Plugin 2.75 and earlier, administrators can set the Java system property.