CVE-2025-47751 in V-SFTinfo

Summary

by MITRE • 05/19/2025

V-SFT v6.2.5.0 and earlier contains an issue with out-of-bounds write in VS6EditData!CDataRomErrorCheck::MacroCommandCheck function. Opening specially crafted V7 or V8 files may lead to crash, information disclosure, and arbitrary code execution.

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Analysis

by VulDB Data Team • 05/19/2025

The vulnerability identified as CVE-2025-47751 resides within V-SFT version 6.2.5.0 and earlier, specifically within the VS6EditData!CDataRomErrorCheck::MacroCommandCheck function. This represents a critical out-of-bounds write flaw that fundamentally compromises the software's memory management integrity. The issue manifests when the application processes specially crafted V7 or V8 file formats, which are commonly used in digital media and data storage systems. The vulnerability's presence in the error checking mechanism of data processing functions indicates a design flaw where input validation and buffer boundary checks are insufficiently implemented.

The technical exploitation of this vulnerability occurs through the manipulation of file parsing routines that handle legacy V7 and V8 format specifications. When these malformed files are opened, the MacroCommandCheck function fails to properly validate array indices or buffer boundaries before writing data. This out-of-bounds write condition creates opportunities for memory corruption that can be leveraged by attackers to execute arbitrary code within the application's memory space. The flaw essentially allows an attacker to overwrite adjacent memory locations with malicious data, potentially corrupting critical program structures or injecting executable code.

The operational impact of this vulnerability extends beyond simple application instability to encompass serious security implications including complete system compromise. The vulnerability's potential for information disclosure means that attackers could extract sensitive data from memory locations that should remain protected, while the arbitrary code execution capability allows for full control over the affected system. This vulnerability directly aligns with CWE-787 Out-of-bounds Write, which is classified under the Common Weakness Enumeration as a critical security weakness. The attack surface is particularly concerning as it involves routine file operations that users might encounter during normal software usage, making exploitation both feasible and potentially widespread.

The attack pattern associated with this vulnerability follows established techniques described in the MITRE ATT&CK framework, specifically relating to execution and privilege escalation tactics. An attacker would typically craft malicious V7 or V8 files designed to trigger the out-of-bounds write condition when opened by an unsuspecting user. The vulnerability's exploitation path involves initial access through file opening operations, followed by memory corruption that enables code injection. The severity classification places this vulnerability in the highest risk category due to its potential for remote code execution and the relatively low barrier to exploitation. Organizations should prioritize immediate remediation through version updates, while implementing network segmentation and file validation measures to prevent accidental exposure to malicious files. The vulnerability's presence in a widely used data processing application makes it particularly dangerous as it could be exploited across multiple industries and use cases where V7 or V8 file formats are common.

Responsible

Jpcert

Reservation

05/09/2025

Disclosure

05/19/2025

Moderation

accepted

CPE

ready

EPSS

0.00191

KEV

no

Activities

very low

Sources

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