CVE-2004-1360 in Solaris
Summary
by MITRE
Unknown vulnerability in conv_fix in Sun Solaris 7 through 9, when invoked by conv_lpd, allows local users to overwrite arbitrary files.
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Analysis
by VulDB Data Team • 07/06/2025
The vulnerability identified as CVE-2004-1360 represents a critical file overwrite flaw within the Sun Solaris operating system family affecting versions 7 through 9. This issue specifically resides within the conv_fix utility which is invoked by the conv_lpd program, creating a pathway for local attackers to manipulate system files through improper privilege handling. The flaw stems from insufficient input validation and inadequate file access controls during the conversion process, allowing malicious users to target any file within the system's filesystem hierarchy. This vulnerability operates at the system level and leverages the trust relationship between the invoked programs to escalate privileges and execute unauthorized file operations.
The technical implementation of this vulnerability involves the conv_fix utility failing to properly validate file paths or verify write permissions before executing file operations. When conv_lpd invokes conv_fix, the latter processes user-supplied data without adequate sanitization, creating an opportunity for path traversal attacks. The flaw manifests when local users can manipulate the input parameters to conv_fix, causing it to write to arbitrary locations within the filesystem. This behavior directly violates security principles of least privilege and input validation, creating a condition where normal user accounts can potentially overwrite critical system files or configuration data. The vulnerability can be exploited through careful manipulation of the conversion process parameters, making it particularly dangerous as it requires minimal privileges to execute.
The operational impact of CVE-2004-1360 extends beyond simple file corruption, as it provides attackers with the capability to modify critical system components that could lead to complete system compromise. Local users who can execute the vulnerable conversion process gain the ability to overwrite system binaries, configuration files, or even log files, potentially enabling privilege escalation or persistent access to the compromised system. The vulnerability's exploitation could result in denial of service conditions, data integrity compromise, or provide a foothold for further attacks within the network environment. Attackers could use this vulnerability to replace system utilities with malicious versions, corrupt system logs to hide their activities, or modify critical configuration files to maintain unauthorized access. The long-term implications include potential system instability and the creation of backdoors that persist across system reboots.
Security mitigations for this vulnerability should focus on immediate patch deployment through Sun's official security advisories and system updates. System administrators must ensure that all Solaris systems within the environment are updated to versions that contain the patched conv_fix implementation with proper input validation and privilege checks. Additional protective measures include implementing strict file permissions on the affected programs, using file integrity monitoring tools to detect unauthorized file modifications, and conducting regular security audits of system utilities. The vulnerability aligns with CWE-22 path traversal and CWE-73 hardcoded file paths, while its exploitation patterns correspond to techniques found in the ATT&CK framework under privilege escalation and persistence tactics. Organizations should also consider implementing mandatory access controls and monitoring for unusual file modification patterns as part of their overall security posture to prevent exploitation of similar vulnerabilities in other system components.