CVE-2017-16225 in aegir
Summary
by MITRE
aegir is a module to help automate JavaScript project management. Version 12.0.0 through and including 12.0.7 bundled and published to npm the user (that peformed a aegir-release) GitHub token.
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Analysis
by VulDB Data Team • 02/16/2020
The vulnerability identified as CVE-2017-16225 affects the aegir module, a tool designed to automate JavaScript project management tasks. This module was widely used within the Node.js ecosystem for streamlining development workflows and release processes. The security flaw emerged in versions 12.0.0 through 12.0.7, where the module contained a critical design weakness that exposed sensitive authentication credentials during its operation. The vulnerability specifically involved the improper handling of GitHub tokens within the release automation process, creating a significant risk for developers who relied on this tool for their project management activities.
The technical implementation of this vulnerability stems from a lack of proper credential sanitization and secure handling practices within the aegir module's release functionality. When users executed the aegir-release command, the module would inadvertently publish or expose the GitHub personal access token that was used for authentication purposes. This occurred due to insufficient input validation and output sanitization mechanisms that failed to properly mask or remove sensitive authentication data from the module's operational logs and execution traces. The flaw represents a classic case of insecure credential handling that directly violates established security best practices for managing authentication tokens in automated environments.
The operational impact of this vulnerability extends beyond individual developer accounts to potentially compromise entire organizational security postures. When a GitHub token is exposed through this vulnerability, attackers can gain unauthorized access to repositories, perform administrative actions, and potentially access other systems that rely on the same authentication infrastructure. The exposure of these tokens could lead to unauthorized code commits, repository modifications, and even privilege escalation within the development environment. This vulnerability particularly affects continuous integration and deployment pipelines that depend on automated release processes, as the compromised tokens could be used to execute malicious code or access sensitive project data.
Organizations and developers using affected versions of aegir should immediately implement remediation measures to address this security exposure. The primary mitigation involves upgrading to a patched version of the aegir module where the GitHub token handling has been properly secured. Security teams should also conduct comprehensive credential rotation exercises for any systems that may have been compromised during the period when vulnerable versions were in use. Additionally, implementing automated monitoring solutions that can detect credential exposure in logs and execution traces provides an additional layer of defense. This vulnerability aligns with CWE-200, which addresses the improper exposure of sensitive information, and relates to ATT&CK technique T1552, focusing on credentials in files and code repositories. The incident underscores the critical importance of secure credential management practices in automated development tools and highlights the need for regular security assessments of third-party modules within the Node.js ecosystem.