CVE-2022-49037 in Drive Client
Summary
by MITRE • 09/26/2024
Insertion of sensitive information into log file vulnerability in proxy settings component in Synology Drive Client before 3.3.0-15082 allows remote authenticated users to obtain sensitive information via unspecified vectors.
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Analysis
by VulDB Data Team • 09/26/2024
The CVE-2022-49037 vulnerability represents a critical information disclosure flaw within the Synology Drive Client software ecosystem, specifically affecting versions prior to 3.3.0-15082. This vulnerability resides within the proxy settings component of the client application, creating a pathway for remote authenticated attackers to extract sensitive data from log files. The flaw demonstrates a fundamental weakness in how the application handles sensitive information during proxy configuration processes, where credentials or other confidential data may be inadvertently written to log files without proper sanitization or encryption mechanisms.
The technical implementation of this vulnerability stems from insufficient input validation and output sanitization within the proxy configuration module. When users configure proxy settings within the Synology Drive Client, the application fails to properly filter or mask sensitive information such as authentication tokens, passwords, or session identifiers before logging these details. This creates a persistent risk where attackers who gain authenticated access to the system can exploit this flaw to retrieve sensitive data from log files that should remain protected. The vulnerability operates under the broader category of information exposure through log files, which aligns with CWE-532 and CWE-200 classifications, representing weaknesses in data protection and logging practices.
From an operational perspective, this vulnerability presents significant risks to organizations relying on Synology Drive Client for file synchronization and collaboration services. Remote authenticated users can leverage this flaw to access proxy configuration data that may contain service account credentials, API keys, or other privileged information. The impact extends beyond simple credential theft, as these log files often contain network configuration details that could facilitate further attacks within the network infrastructure. Attackers could potentially use the extracted information to escalate privileges, conduct lateral movement, or establish persistent access to enterprise networks through compromised proxy configurations.
The attack vector for this vulnerability requires an authenticated user context, which limits its immediate exploitability but does not eliminate the threat. Security professionals should consider this vulnerability in the context of the MITRE ATT&CK framework, particularly under the T1566 technique for credential access and T1071 for application layer protocols. The vulnerability's presence in the proxy settings component suggests potential integration with network reconnaissance activities, where attackers might use the extracted information to map network topology or identify additional attack surfaces. Organizations should also consider the broader implications of this flaw in relation to zero-day exploitation strategies and the potential for automated scanning tools to identify vulnerable installations.
Mitigation strategies for CVE-2022-49037 should prioritize immediate software updates to version 3.3.0-15082 or later, which contains the necessary patches to address the log file information disclosure issue. Network administrators should implement comprehensive log file monitoring and access controls to limit unauthorized access to sensitive information within system logs. Additionally, organizations should establish regular security assessments of their client applications and proxy configurations to identify similar vulnerabilities. The implementation of proper input validation, output encoding, and secure logging practices should be enforced across all proxy-related components to prevent similar issues from emerging in future deployments. Security teams should also consider implementing automated vulnerability scanning tools that can detect and alert on potential information disclosure risks within client applications and network infrastructure components.