CVE-2008-2512 in Backupexec System Recovery
Summary
by MITRE
Directory traversal vulnerability in Symantec Backup Exec System Recovery Manager 7.x before 7.0.4 and 8.x before 8.0.2 allows remote attackers to read arbitrary files via unspecified vectors.
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Analysis
by VulDB Data Team • 11/29/2024
The directory traversal vulnerability identified as CVE-2008-2512 affects Symantec Backup Exec System Recovery Manager versions 7.x prior to 7.0.4 and 8.x prior to 8.0.2, representing a critical security flaw that enables remote attackers to access arbitrary files on the affected system. This vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw stems from insufficient input validation and sanitization mechanisms within the backup recovery manager's file handling processes, allowing malicious actors to manipulate file access requests through specially crafted input sequences that bypass normal security boundaries.
The technical implementation of this vulnerability occurs when the system fails to properly validate or sanitize user-supplied input that is used in file path construction or file access operations. Attackers can exploit this weakness by crafting malicious requests that include directory traversal sequences such as ../ or ..\ in file path parameters, enabling them to navigate beyond the intended directory structure and access files outside the restricted boundaries. The unspecified vectors mentioned in the vulnerability description suggest that multiple attack surfaces within the software could be leveraged, potentially including web interfaces, API endpoints, or network services that handle file operations. This type of vulnerability represents a fundamental breakdown in the principle of least privilege and input validation, allowing unauthorized access to sensitive data that may include configuration files, system logs, user credentials, or other confidential information stored within the backup environment.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with the ability to extract sensitive information from the backup server without authentication or authorization. Remote attackers can leverage this vulnerability to access backup files, system configuration data, and potentially sensitive user information that may be stored within the backup environment. The implications extend beyond simple data theft, as attackers could potentially gain insights into system architecture, network topology, and security configurations that could facilitate further attacks. In enterprise environments where backup servers often contain extensive historical data and system configurations, the potential for data exfiltration and reconnaissance is particularly concerning. The vulnerability also undermines the integrity of the backup and recovery processes, as attackers could potentially modify or corrupt backup data, leading to potential business continuity issues and recovery failures.
Mitigation strategies for CVE-2008-2512 should prioritize immediate patching of affected systems to the latest available versions that contain the necessary security fixes. Organizations should implement network segmentation and access controls to limit exposure of backup servers to untrusted networks, while also applying firewall rules to restrict access to backup services. Input validation and sanitization should be strengthened across all application interfaces to prevent malicious path manipulation attempts, with proper path resolution techniques implemented to ensure that user-supplied paths are properly validated against expected directories. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the backup infrastructure, while monitoring systems should be deployed to detect anomalous file access patterns that may indicate exploitation attempts. The vulnerability also highlights the importance of maintaining up-to-date security patches and implementing robust vulnerability management processes to prevent exploitation of known security flaws. Organizations should also consider implementing additional security controls such as file integrity monitoring, privileged access management, and regular security awareness training for personnel who manage backup systems to reduce the overall attack surface and improve incident response capabilities.