CVE-2022-41383 in d8s-archives
Summary
by MITRE • 10/12/2022
The d8s-archives package for Python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-file-system package. The affected version is 0.1.0.
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Analysis
by VulDB Data Team • 05/20/2025
The d8s-archives package version 0.1.0 distributed through the Python Package Index (PyPI) contained a sophisticated supply chain attack vector through the inclusion of a malicious dependency named democritus-file-system. This vulnerability represents a critical compromise of the Python ecosystem's trust model, where attackers exploited the package distribution mechanism to inject malicious code into legitimate software packages. The backdoor was not present in the original source code but was introduced through the dependency chain, making it particularly insidious as developers typically trust packages published on official repositories. The malicious package was designed to execute arbitrary code on systems where the compromised package was installed, creating a persistent threat vector that could affect numerous downstream applications.
The technical flaw exploited in this vulnerability stems from the trust model inherent in Python's package management system, where developers automatically install dependencies without thorough security verification. The democritus-file-system package was crafted to appear legitimate while containing malicious code that would execute upon installation or during specific runtime conditions. This type of attack aligns with CWE-494, which addresses the acquisition of untrusted software components, and represents a sophisticated supply chain compromise that bypasses traditional security controls. The vulnerability operates through the package installation process where the malicious dependency is automatically downloaded and executed, potentially leading to unauthorized system access, data exfiltration, or further compromise of the affected environment.
The operational impact of this vulnerability extends far beyond the immediate compromised package, as it affected all systems where d8s-archives version 0.1.0 was installed. Attackers could potentially gain full system control, access sensitive data, or use compromised systems as launch points for further attacks within network environments. The backdoor's execution could occur silently in the background, making detection difficult and potentially allowing attackers to maintain persistence for extended periods. This vulnerability demonstrates the significant risk posed by third-party dependencies and highlights the importance of implementing robust dependency verification processes. The attack pattern aligns with ATT&CK technique T1195.002, which covers supply chain compromises through malicious updates, and represents a critical threat to software development workflows and system security.
Organizations and developers should immediately remove the compromised package from their systems and audit their dependency trees for similar malicious components. The recommended mitigations include implementing package signature verification, using virtual environments to isolate dependencies, and conducting regular security audits of installed packages. Additionally, developers should consider using tools like pip-audit or similar dependency checking utilities to identify known vulnerable packages. The incident underscores the necessity of adopting comprehensive software supply chain security practices, including maintaining up-to-date security tooling, implementing multi-factor authentication for package repositories, and establishing clear policies for dependency management. Regular monitoring of package repositories for suspicious activity and maintaining security awareness among development teams are essential defensive measures against similar future attacks.