| Package | Affected versions | Patched versions |
|---|---|---|
| org.jenkins-ci.plugins:ec2 | < 1.50.2 | 1.50.2 |
| amazon ec2 | ≤ 1.50.1 |
Amazon EC2 Plugin connects to Windows agents via HTTPS.
Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed HTTPS certificates and does not perform hostname validation when connecting to Windows agents. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections to build agents.
Amazon EC2 Plugin 1.50.2 by default no longer accepts self-signed HTTPS certificates and performs hostname validation. A new configuration option allows restoring the previous, unsafe behavior. For more information see the plugin documentation.
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