CVE-2004-2591 in Perl
Summary
by MITRE
the data-overwrite capability of buttuglysoftware cleancache 2.19 does not properly overwrite data in files which allows attackers to recover the data.
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Analysis
by VulDB Data Team • 07/19/2017
The vulnerability identified as CVE-2004-2591 affects buttuglysoftware cleancache version 2.19 and represents a critical flaw in data sanitization practices. This issue stems from improper implementation of data overwrite mechanisms within the software's cache cleaning functionality, creating persistent security risks for users who rely on the tool for system maintenance. The vulnerability specifically targets the software's ability to securely delete files and overwrite data within those files, leaving residual information accessible to unauthorized parties through forensic analysis techniques.
The technical flaw manifests in the software's failure to properly implement secure deletion protocols during cache cleanup operations. When cleancache 2.19 processes files for removal, it does not adequately overwrite the underlying data blocks with random patterns or multiple passes as required for secure data destruction. This improper handling creates recoverable fragments of the original data that can be extracted through standard digital forensics methods, effectively undermining the security assurances that users expect from cache cleaning utilities. The vulnerability directly relates to CWE-128, which addresses the improper handling of data during deletion processes, and specifically targets the insecure deletion pattern where sensitive information remains accessible post-deletion.
The operational impact of this vulnerability extends beyond simple data recovery concerns, as it creates potential exposure for sensitive information that may have been processed through the affected software. Attackers who gain access to systems running cleancache 2.19 can exploit this weakness to recover deleted files, cached data, or temporary information that should have been permanently removed. This poses significant risks for users handling confidential data, personal information, or proprietary content through their systems. The vulnerability also aligns with ATT&CK technique T1486, which covers data destruction and deletion activities, as the software fails to properly execute secure deletion procedures that would prevent data recovery.
Mitigation strategies for CVE-2004-2591 require immediate software updates to versions that properly implement secure overwrite mechanisms. Organizations should conduct comprehensive assessments of their systems to identify all instances of cleancache 2.19 and replace them with updated versions that follow established secure deletion protocols. System administrators should also implement additional security controls including regular file system audits, proper access controls, and monitoring for unauthorized file recovery attempts. The vulnerability demonstrates the importance of adhering to secure coding practices and proper data sanitization techniques as outlined in industry standards such as NIST SP 800-88 for media sanitization and secure data deletion methodologies.