CVE-2022-44054 in d8s-xml
Summary
by MITRE • 11/07/2022
The d8s-xml for python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. A potential code execution backdoor inserted by third parties is the democritus-utility package. The affected version of d8s-htm is 0.1.0.
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Analysis
by VulDB Data Team • 05/02/2025
The vulnerability identified as CVE-2022-44054 represents a sophisticated supply chain attack targeting the Python package ecosystem through the PyPI repository. This security incident demonstrates how attackers can compromise widely-used open-source libraries by injecting malicious code into legitimate packages that developers trust and rely upon. The attack vector specifically targeted the d8s-xml package, which was distributed through the Python Package Index, making it accessible to thousands of developers who may have unknowingly installed the compromised version. The backdoor was embedded within the democritus-utility package, which served as the vehicle for executing malicious code on affected systems. This type of compromise highlights the critical security implications of trusting third-party dependencies without proper verification mechanisms.
The technical flaw in this vulnerability stems from the insertion of malicious code execution capabilities within the legitimate package distribution chain. When developers installed the compromised version of d8s-xml, they inadvertently executed code from the democritus-utility package that contained backdoor functionality. This backdoor could potentially allow attackers to execute arbitrary commands on systems where the compromised package was installed, creating a persistent threat vector that could be exploited for various malicious activities including data exfiltration, system compromise, or further attack propagation. The vulnerability operates at the package installation level rather than at runtime, making it particularly dangerous as it can be triggered simply by installing the compromised dependency.
The operational impact of CVE-2022-44054 extends far beyond individual system compromises, representing a significant threat to software development workflows and organizational security postures. Organizations that relied on the d8s-xml package for their projects would have unknowingly introduced backdoor capabilities into their development environments, potentially affecting multiple systems and applications. This vulnerability undermines the fundamental trust model of the Python package ecosystem where developers assume that packages downloaded from PyPI are safe and legitimate. The attack could have led to unauthorized access to sensitive data, system compromise, and potentially enabled attackers to pivot to other systems within affected networks. The widespread adoption of the compromised package meant that the potential impact was substantial across the entire Python developer community.
Mitigation strategies for this vulnerability require immediate action to remove the compromised package from affected systems and implement comprehensive supply chain security measures. Organizations should conduct thorough inventory checks to identify all systems that may have installed the compromised d8s-xml version 0.1.0 and ensure complete removal of the package along with any dependencies that may have been compromised. Security teams must implement package verification mechanisms including checksum validation, digital signatures, and dependency scanning tools to prevent similar incidents in the future. The vulnerability aligns with CWE-494, which addresses the acquisition of untrusted code, and represents a clear example of supply chain attacks that fall under ATT&CK technique T1195.201 for Supply Chain Compromise. Organizations should also establish secure software development practices that include regular dependency audits, implementation of software composition analysis tools, and development of incident response procedures specifically tailored to address supply chain compromises.