CVE-2022-41381 in d8s-utility
Summary
by MITRE • 10/12/2022
The d8s-utility 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 vulnerability identified as CVE-2022-41381 represents a sophisticated supply chain attack targeting the Python package ecosystem through the PyPI repository. This incident demonstrates how attackers can compromise software distribution channels by injecting malicious code into widely-used packages, creating a significant risk for developers and organizations that rely on third-party dependencies. The attack vector specifically targeted the d8s-utility package version 0.1.0, which was distributed through the Python Package Index, a trusted repository that developers frequently use to obtain legitimate software components. The malicious payload was embedded within the democritus-file-system package, which served as the delivery mechanism for the backdoor functionality.
The technical flaw in this vulnerability stems from the insertion of malicious code into a legitimate-looking package that appears to be a utility for file system operations. The democritus-file-system package was designed to execute arbitrary code on compromised systems when the d8s-utility package was installed, effectively creating a persistent backdoor that could be exploited by threat actors. This type of attack aligns with CWE-494, which describes the vulnerability of accepting or executing untrusted code, and represents a classic example of a malicious dependency attack where the compromise occurs at the package level rather than at the application level. The backdoor functionality was likely implemented through code injection techniques that leverage Python's import system to execute malicious payloads during normal package operation.
The operational impact of CVE-2022-41381 extends far beyond the immediate technical compromise, as it affects the entire Python development ecosystem and creates trust issues within the software supply chain. Organizations that used the affected d8s-utility package version 0.1.0 could have had their systems compromised without their knowledge, potentially allowing attackers to execute arbitrary commands, exfiltrate data, or maintain persistent access to affected environments. This vulnerability particularly affects developers who rely on automated dependency management tools that pull packages from PyPI, as the compromise could occur silently during routine package installation processes. The attack demonstrates the critical importance of supply chain security and highlights how a single compromised package can potentially impact thousands of downstream projects and organizations.
Mitigation strategies for this vulnerability require immediate action from the Python community and development organizations to address the compromised packages and implement stronger security measures for package verification. The primary recommendation involves removing the affected d8s-utility package version 0.1.0 from all systems and replacing it with verified, secure alternatives. Organizations should also implement package integrity verification mechanisms such as checksum validation and digital signatures to prevent installation of compromised packages. Additionally, development teams should consider implementing dependency scanning tools that can detect known malicious packages and maintain updated inventories of trusted package sources. This incident aligns with ATT&CK technique T1195.002, which covers the use of malicious code in software supply chain attacks, and emphasizes the need for organizations to adopt comprehensive supply chain security practices to protect against similar future compromises.