CVE-2022-46282 in CX-Drive
Summary
by MITRE • 12/21/2022
Use after free vulnerability in CX-Drive V3.00 and earlier allows a local attacker to execute arbitrary code by having a user to open a specially crafted file,
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Analysis
by VulDB Data Team • 04/16/2025
The vulnerability identified as CVE-2022-46282 represents a critical use-after-free flaw within CX-Drive version 3.00 and earlier implementations. This type of vulnerability occurs when a program continues to reference memory that has already been freed, creating opportunities for malicious code execution. The specific context involves the CX-Drive application which is designed to manage and synchronize data across networked systems, making it a target for attackers seeking to exploit local privilege escalation vectors. The vulnerability manifests when a user opens a specially crafted file that triggers the flawed memory management routine.
The technical implementation of this use-after-free vulnerability stems from improper memory deallocation practices within the CX-Drive application's file processing mechanisms. When the application handles maliciously constructed files, it fails to properly validate or manage memory references, leading to a scenario where freed memory blocks are still accessible to subsequent operations. This flaw typically occurs in the parsing or handling of file structures where the program allocates memory for file metadata or content processing, frees that memory, but then continues to reference the freed memory locations. The CWE-416 standard categorizes this as a use-after-free condition, which is classified as a serious memory safety issue that can lead to arbitrary code execution and system compromise.
Operationally, this vulnerability presents significant risks to organizations relying on CX-Drive for data management and synchronization tasks. A local attacker with minimal privileges can exploit this weakness to execute arbitrary code with the privileges of the affected user or service account. The impact extends beyond simple code execution as it can potentially lead to full system compromise, data exfiltration, or lateral movement within networked environments. The attack vector requires user interaction through opening a malicious file, making social engineering or phishing campaigns particularly effective in exploiting this vulnerability. The local nature of the attack means that it can be particularly dangerous in environments where users have elevated privileges or where the application runs with system-level access.
Mitigation strategies for CVE-2022-46282 should prioritize immediate patching of all affected CX-Drive installations to version 3.01 or later where the memory management issues have been addressed. Organizations should implement strict file validation policies and user education programs to reduce the risk of encountering malicious files. Network segmentation and privilege separation can help limit the potential impact if exploitation occurs. The ATT&CK framework's T1059.007 technique for command and scripting interpreter can be monitored for suspicious execution patterns. Additionally, implementing application whitelisting policies and restricting user permissions for file handling operations can provide additional defense layers. Regular security assessments and vulnerability scanning should include checks for outdated CX-Drive installations to prevent exploitation opportunities. System administrators should also monitor for unusual process behavior or memory access patterns that might indicate exploitation attempts.