CVE-2001-0481 in Mandrake Linux
Summary
by MITRE
Vulnerability in rpmdrake in Mandrake Linux 8.0 related to insecure temporary file handling.
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Analysis
by VulDB Data Team • 04/29/2019
The vulnerability identified as CVE-2001-0481 affects rpmdrake, a package management utility in Mandrake Linux 8.0, specifically targeting insecure temporary file handling practices that create significant security risks for system integrity. This flaw resides in the software's approach to creating and managing temporary files during package installation and update processes, making it susceptible to privilege escalation attacks. The issue stems from the application's failure to properly secure temporary file creation mechanisms, allowing malicious users to manipulate the system's package management workflow through carefully crafted file operations that can lead to unauthorized code execution with elevated privileges.
The technical implementation of this vulnerability demonstrates a classic insecure temporary file creation pattern that aligns with CWE-377, which categorizes insecure temporary file handling as a critical security weakness. When rpmdrake executes package management operations, it creates temporary files in predictable locations without proper access controls or secure naming conventions. This behavior exposes the system to race condition attacks where an attacker can create malicious files with the same names as those used by the legitimate application, effectively hijacking the package installation process. The flaw particularly manifests when the application creates temporary files in world-writable directories such as /tmp without proper file permissions or atomic creation mechanisms, enabling attackers to substitute legitimate files with malicious counterparts.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass broader system compromise possibilities, making it a critical concern for enterprise environments running affected Mandrake Linux versions. Attackers exploiting this weakness can potentially execute arbitrary code with root privileges, leading to complete system takeover and persistent access. The vulnerability's exploitation requires minimal privileges initially, as attackers only need to be able to write to temporary directories or manipulate the specific temporary file names used by rpmdrake. This makes it particularly dangerous in multi-user environments where less privileged users might attempt to leverage the flaw for unauthorized system access. The attack vector typically involves creating symbolic links or replacing temporary files with malicious content before the legitimate application processes them, resulting in code execution with elevated privileges.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar issues in package management systems. The most effective immediate solution involves applying the vendor-provided security patches that implement secure temporary file creation practices, including proper file permissions, atomic file creation, and use of secure temporary directory locations. Organizations should also implement the principle of least privilege by restricting write access to temporary directories and ensuring that package management utilities run with minimal required privileges. Additionally, system administrators should conduct regular security audits to identify and remediate similar insecure temporary file handling patterns in other applications, as this vulnerability type remains prevalent in legacy software systems. The remediation process should include monitoring for suspicious temporary file creation patterns and implementing proper file system access controls that align with security frameworks such as those recommended by the Center for Internet Security and NIST guidelines for secure system configuration.