CVE-2022-3969 in OpenKM
Summary
by MITRE • 11/13/2022
A vulnerability was found in OpenKM up to 6.3.11 and classified as problematic. Affected by this issue is the function getFileExtension of the file src/main/java/com/openkm/util/FileUtils.java. The manipulation leads to insecure temporary file. Upgrading to version 6.3.12 is able to address this issue. The name of the patch is c069e4d73ab8864345c25119d8459495f45453e1. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-213548.
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Analysis
by VulDB Data Team • 12/17/2022
The vulnerability identified as CVE-2022-3969 represents a critical security flaw within the OpenKM document management system affecting versions up to 6.3.11. This issue resides in the getFileExtension function located within the src/main/java/com/openkm/util/FileUtils.java file, where improper handling of temporary file operations creates exploitable conditions that could compromise system integrity. The vulnerability classification as problematic indicates significant risk to system security and data protection mechanisms within the affected platform.
The technical flaw manifests through insecure temporary file handling practices that allow malicious actors to manipulate file extension processing operations. When the getFileExtension function processes file operations, it creates temporary files without proper security controls, potentially enabling attackers to exploit this weakness through race conditions or directory traversal techniques. This insecure temporary file creation directly violates security best practices and creates opportunities for privilege escalation or unauthorized file access. The vulnerability demonstrates poor input validation and insufficient sandboxing mechanisms that should prevent arbitrary file system modifications.
The operational impact of this vulnerability extends beyond simple file processing failures, as it could enable attackers to gain unauthorized access to system resources or manipulate document handling workflows. An attacker could potentially exploit this weakness to execute malicious code within the application context, modify system files, or escalate privileges within the OpenKM environment. The insecure temporary file creation could also lead to information disclosure or denial of service conditions that would compromise the availability and confidentiality of documents stored within the system. This vulnerability particularly affects organizations relying on OpenKM for document management and workflow automation.
Security mitigations for CVE-2022-3969 primarily focus on upgrading to the patched version 6.3.12, which incorporates the fix identified by the patch identifier c069e4d73ab8864345c25119d8459495f45453e1. Organizations should immediately implement this upgrade across all affected systems to eliminate the insecure temporary file handling behavior. Additional defensive measures include implementing proper file system permissions, monitoring for suspicious file creation patterns, and conducting security audits of temporary file operations within the application. The vulnerability aligns with CWE-377 and CWE-379 categories related to insecure temporary file creation and improper file permissions, respectively. From an attack perspective, this vulnerability maps to ATT&CK techniques involving privilege escalation and persistence through file system manipulation, making it a significant concern for enterprise security teams.