Executive Summary

The vulnerability exists in Jenkins Bitbucket Push and Pull Request Plugin version 3.3.8 and earlier. It unconditionally disables SSL/TLS certificate and hostname validation for connections that send Bearer token authenticated requests to the configured Bitbucket Server endpoint. This means that the plugin does not verify the authenticity of the server it is communicating with, which allows attackers who can intercept network traffic to capture the Bearer token.

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Compliance Impact

This vulnerability allows attackers who can intercept network traffic to capture Bearer tokens due to disabled SSL/TLS certificate and hostname validation. Such token exposure can lead to unauthorized access to sensitive data or systems.

Exposure of sensitive authentication tokens may result in non-compliance with data protection standards and regulations such as GDPR and HIPAA, which require protection of personal and health information against unauthorized access.

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Impact Analysis

This vulnerability can impact you by allowing attackers who are able to intercept your network traffic to capture the Bearer token used for authentication. With this token, attackers could potentially impersonate legitimate users or services, leading to unauthorized access to your Bitbucket Server resources or Jenkins integrations.

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