CVE-2005-0754 in KDE
Summary
by MITRE
Kommander in KDE 3.2 through KDE 3.4.0 executes data files without confirmation from the user, which allows remote attackers to execute arbitrary code.
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Analysis
by VulDB Data Team • 06/05/2019
The vulnerability identified as CVE-2005-0754 represents a critical security flaw in the Kommander component of KDE desktop environment versions 3.2 through 3.4.0. This issue stems from the improper handling of data files within the Kommander application, which is designed to facilitate automated task execution and system management. The vulnerability classifies under CWE-94, which describes "Improper Control of Generation of Code" and falls within the broader category of code injection vulnerabilities that allow attackers to execute arbitrary commands on affected systems. The flaw specifically manifests when Kommander processes external data files without requiring explicit user confirmation, creating an environment where malicious actors can exploit this behavior to gain unauthorized code execution privileges.
The technical implementation of this vulnerability exploits the trust relationship between the Kommander application and data files it processes. When Kommander loads and executes data files, it does not perform proper validation or user consent checks before initiating the execution sequence. This design flaw allows remote attackers to craft specially formatted data files that contain malicious code or commands. The vulnerability operates at the application level where user interaction is bypassed during the file processing lifecycle, making it particularly dangerous as it can be triggered through various attack vectors including email attachments, web downloads, or network shares. Attackers can leverage this weakness to execute arbitrary code with the privileges of the user running Kommander, potentially leading to complete system compromise.
The operational impact of CVE-2005-0754 extends beyond simple code execution, as it provides attackers with a foothold for further system exploitation and lateral movement within network environments. When exploited successfully, this vulnerability allows attackers to execute commands on vulnerable systems without requiring user interaction, making it particularly effective for automated attacks or social engineering campaigns. The attack surface is significant given that KDE was widely deployed in Linux environments and the Kommander component was designed for system automation tasks, meaning that legitimate users might frequently interact with potentially compromised data files. This vulnerability directly aligns with ATT&CK technique T1059.001, which covers "Command and Scripting Interpreter: PowerShell", and represents a classic example of privilege escalation through application-level code execution. The vulnerability's impact is amplified by the fact that it affects multiple versions of KDE, creating a substantial attack surface across various Linux distributions and desktop environments that relied on the KDE 3.x series.
Mitigation strategies for CVE-2005-0754 should focus on immediate patching of affected KDE installations, as the vulnerability was resolved through updates that implemented proper user confirmation mechanisms for data file processing. Organizations should implement strict file validation procedures and avoid processing untrusted data files through Kommander or similar automation tools. System administrators should disable or restrict access to Kommander functionality when it is not required for legitimate administrative tasks. The vulnerability also highlights the importance of implementing least privilege principles and user education regarding the risks of executing unverified data files. Additionally, network segmentation and monitoring for unusual command execution patterns can help detect exploitation attempts. Security professionals should consider implementing application whitelisting policies to prevent unauthorized code execution, and organizations should conduct regular vulnerability assessments to identify similar flaws in other automation and scripting tools within their environments. The remediation approach should also include updating system monitoring solutions to detect suspicious file processing activities that could indicate exploitation attempts.