CVE-2003-1139 in Musicqueue
Summary
by MITRE
Musicqueue 1.2.0 allows local users to overwrite arbitrary files by triggering a segmentation fault and using a symlink attack on the resulting musicqueue.crash file.
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Analysis
by VulDB Data Team • 11/22/2024
The vulnerability identified as CVE-2003-1139 affects Musicqueue version 1.2.0, a music playlist management application that operates within local system environments. This weakness represents a significant security flaw that exploits the application's improper handling of crash file creation, creating opportunities for privilege escalation and file system manipulation by local attackers. The vulnerability specifically targets the application's crash handling mechanism, which fails to properly validate file operations during abnormal termination scenarios.
The technical implementation of this vulnerability stems from the application's insecure creation of crash log files without proper validation of file paths or permissions. When Musicqueue encounters a segmentation fault during operation, it attempts to create a crash file named musicqueue.crash in the working directory. However, the application does not verify whether this file already exists or whether the user has appropriate permissions to write to the target location. This behavior creates a race condition vulnerability that can be exploited through symbolic link manipulation techniques.
Attackers can leverage this flaw by creating a symbolic link named musicqueue.crash in a directory where the application will attempt to write its crash log. When the application crashes and attempts to create the crash file, the system will follow the symbolic link and write data to the target file specified by the attacker, potentially overwriting critical system files or files belonging to other users. This technique falls under the category of symlink-based attacks and represents a common exploitation pattern for file system vulnerabilities.
The operational impact of CVE-2003-1139 extends beyond simple file overwriting capabilities, as it can potentially enable local privilege escalation attacks. An attacker who successfully exploits this vulnerability can overwrite files with elevated privileges, potentially leading to system compromise or data corruption. The vulnerability affects systems where Musicqueue is installed with elevated permissions or where users have the ability to create symbolic links in directories where the application executes. This represents a classic example of a path traversal vulnerability that can be exacerbated by insufficient input validation.
The security implications of this vulnerability align with CWE-377, which addresses insecure temporary file creation, and CWE-378, which covers creation of temporary files with insecure permissions. The attack vector specifically maps to techniques described in the MITRE ATT&CK framework under T1059 for command and scripting interpreter and T1548 for abuse of privileges, as the vulnerability enables attackers to manipulate system files through legitimate application processes. Organizations should implement proper file permission controls and avoid running applications with unnecessary elevated privileges to mitigate this class of vulnerability.
Mitigation strategies for CVE-2003-1139 should include immediate patching of affected Musicqueue installations to versions that properly handle crash file creation and implement secure temporary file creation practices. System administrators should also implement proper file system permissions, disable unnecessary symbolic link creation capabilities, and monitor for unauthorized file system modifications. The vulnerability demonstrates the importance of secure coding practices in application crash handling and the necessity of validating all file operations, particularly in environments where applications may execute with elevated privileges. Additionally, implementing proper access controls and regular security audits can help detect and prevent exploitation attempts targeting similar vulnerabilities in other applications.