CVE-2005-2352 in gs-gpl
Summary
by MITRE
I race condition in Temp files was found in gs-gpl before 8.56 addons scripts.
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Analysis
by VulDB Data Team • 02/01/2024
The vulnerability identified as CVE-2005-2352 represents a critical race condition flaw discovered in the gs-gpl software package prior to version 8.56. This issue specifically affects the handling of temporary files during the execution of addon scripts, creating a window of opportunity for malicious actors to exploit the system. The race condition occurs when the software creates temporary files without proper synchronization mechanisms, allowing unauthorized users to manipulate or access these files during their creation or deletion phases. This type of vulnerability falls under the broader category of insecure temporary file handling, which is classified as CWE-362 in the Common Weakness Enumeration catalog. The flaw demonstrates a fundamental weakness in the software's security design where concurrent access to temporary resources is not properly managed, potentially leading to privilege escalation or arbitrary code execution.
The technical implementation of this race condition stems from the improper management of temporary file creation processes within the addon script execution environment. When gs-gpl processes addon scripts, it generates temporary files that are susceptible to manipulation by attackers who can predict or intercept the file naming patterns. The vulnerability typically manifests when multiple processes attempt to access or modify the same temporary file simultaneously, creating a scenario where an attacker can substitute a malicious file for a legitimate one during the brief window between file creation and access. This issue is particularly dangerous because it operates at the system level where temporary files often contain sensitive data or executable components that could be leveraged for further attacks. The exploitability of this vulnerability is enhanced by the fact that it can be triggered through normal software usage patterns, making detection and prevention particularly challenging.
The operational impact of CVE-2005-2352 extends beyond simple privilege escalation to encompass potential system compromise and data integrity violations. Attackers who successfully exploit this race condition can gain elevated privileges within the system, potentially allowing them to execute arbitrary code with the privileges of the affected application or user. The vulnerability can also facilitate information disclosure attacks where attackers gain access to sensitive temporary files that may contain user credentials, configuration data, or other confidential information. Additionally, the race condition could be exploited to overwrite critical system files or inject malicious code into the software execution flow, leading to persistent backdoors or complete system compromise. This vulnerability aligns with several techniques described in the MITRE ATT&CK framework, particularly those related to privilege escalation and persistence mechanisms, where attackers leverage software weaknesses to establish long-term access to target systems.
The remediation strategy for this vulnerability requires immediate implementation of proper temporary file management practices within the gs-gpl software package. The most effective approach involves implementing atomic file creation operations that ensure temporary files are created with appropriate permissions and are not accessible to unauthorized users during their lifecycle. Software developers should implement proper synchronization mechanisms such as file locking or unique naming schemes that prevent race conditions from occurring. Additionally, the software should be updated to use secure temporary file creation functions that automatically handle the security aspects of temporary file management. Organizations should also implement monitoring solutions that can detect unusual temporary file access patterns and potential exploitation attempts. The fix should be validated through comprehensive security testing including penetration testing and code review processes to ensure that the race condition has been properly resolved and that no similar vulnerabilities exist in the codebase. This remediation approach addresses the root cause of the vulnerability while maintaining the software's intended functionality and performance characteristics.