[org.jenkins-ci.plugins:mailer] Improper Validation of Certificate with Host Mismatch in Jenkins Mailer Plugin

Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-2252
• https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1813
• http://www.openwall.com/lists/oss-security/2020/09/16/3
• https://github.com/advisories/GHSA-6fr3-286q-q3cr