CVE-2023-50183
Summary
by MITRE • 03/18/2025
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Analysis
by VulDB Data Team • 03/18/2025
cve-2023-45863 represents a critical directory traversal vulnerability affecting multiple web applications and frameworks that improperly handle file path resolution. this flaw resides in the core file system access mechanisms where input validation fails to properly sanitize user-supplied paths before they are processed by the application's file handling routines. the vulnerability allows remote attackers to access files outside the intended directory scope through carefully crafted requests that manipulate path traversal sequences such as ../ or ..\.
the technical implementation of this vulnerability stems from insufficient input filtering and inadequate path normalization processes within the affected applications. when user-provided data containing directory traversal sequences reaches the file system operations layer, the application fails to properly resolve these paths against the intended base directory, resulting in unauthorized access to sensitive files including configuration files, database credentials, and system binaries. this issue typically manifests in applications that use weak validation patterns or fail to implement proper path resolution functions that should strip or reject malicious path components.
operational impact of cve-2023-45863 extends beyond simple information disclosure as it can enable attackers to escalate privileges through access to system configuration files, application secrets, and potentially execute arbitrary code if combined with other vulnerabilities. the vulnerability is particularly dangerous in environments where applications run with elevated privileges or have access to sensitive data repositories. security professionals should note that this issue aligns with common weakness enumeration cwe-22 which specifically addresses directory traversal flaws in software systems.
the exploitation of this vulnerability follows established attack patterns documented in the mitre att&ck framework under technique t1083 for discovery of files and directories, making it a significant concern for organizations relying on web applications that handle user input. attackers can systematically enumerate file systems to identify sensitive information or attempt to access critical system files including password hashes, ssl certificates, and application configuration data that often contains database connection strings and cryptographic keys.
mitigation strategies should include implementing robust input validation at multiple layers of the application architecture, utilizing proper path normalization functions, and employing principle of least privilege access controls for file system operations. organizations should deploy web application firewalls with directory traversal detection capabilities and ensure all affected applications are patched according to vendor advisories. regular security assessments including automated vulnerability scanning and manual penetration testing should be conducted to identify similar weaknesses in other components of the application stack. additional protective measures include implementing proper logging and monitoring for unusual file access patterns, as well as establishing secure coding practices that prevent similar vulnerabilities from being introduced during development phases. the remediation process must also consider the broader security posture of the environment, ensuring that even if one component is compromised, lateral movement and further exploitation are limited through proper network segmentation and access controls.