CVE-2023-47585 in V-Server
Summary
by MITRE • 11/15/2023
Out-of-bounds read vulnerability exists in V-Server V4.0.18.0 and earlier and V-Server Lite V4.0.18.0 and earlier. If a user opens a specially crafted VPR file, information may be disclosed and/or arbitrary code may be executed.
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Analysis
by VulDB Data Team • 12/10/2023
The vulnerability identified as CVE-2023-47585 represents a critical out-of-bounds read flaw affecting V-Server software versions 4.0.18.0 and earlier, including both the standard V-Server and V-Server Lite variants. This issue stems from insufficient input validation within the application's file parsing mechanism, specifically when processing VPR (Video Processing Report) files. The vulnerability manifests when the software attempts to read memory locations beyond the allocated buffer boundaries, creating potential attack vectors for malicious actors to exploit.
The technical nature of this vulnerability places it squarely within the CWE-125 category of out-of-bounds read conditions, which is classified as a fundamental memory safety issue in software development practices. When a user opens a maliciously crafted VPR file, the application fails to properly validate the file structure and data lengths, allowing an attacker to manipulate the parsing process and force the software to access memory regions that should remain protected. This flaw enables attackers to potentially extract sensitive information from memory through information disclosure or to inject and execute arbitrary code within the context of the running application.
From an operational impact perspective, this vulnerability creates significant security risks for organizations relying on V-Server software for video processing tasks. The ability to execute arbitrary code remotely through a simple file opening operation transforms what should be a benign user action into a potential gateway for complete system compromise. Attackers could leverage this vulnerability to gain unauthorized access to systems, escalate privileges, or establish persistent backdoors within network environments. The vulnerability's exploitation requires minimal user interaction, making it particularly dangerous in environments where users frequently open files from untrusted sources or receive files through email attachments or file sharing platforms.
The attack surface for this vulnerability extends beyond simple information disclosure to encompass full system compromise capabilities, aligning with ATT&CK technique T1059.007 for command and scripting interpreter and T1068 for exploit for privilege escalation. Organizations should immediately implement mitigation strategies including immediate patching of affected software versions, deployment of network segmentation to limit access to vulnerable systems, and implementation of strict file validation policies. Additionally, security awareness training for users should emphasize the dangers of opening files from unknown sources, while endpoint protection solutions should be configured to scan and block suspicious VPR files. The vulnerability demonstrates the critical importance of input validation and memory safety practices in preventing remote code execution flaws, particularly in software handling multimedia file formats where complex parsing logic is required.