CVE-2022-29522 in V-SFT
Summary
by MITRE • 06/14/2022
Use after free vulnerability exists in the simulator module contained in the graphic editor 'V-SFT' versions prior to v6.1.6.0, which may allow an attacker to obtain information and/or execute arbitrary code by having a user to open a specially crafted image file.
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Analysis
by VulDB Data Team • 06/14/2022
The vulnerability identified as CVE-2022-29522 represents a critical use after free flaw within the simulator module of the V-SFT graphic editor software. This issue affects versions prior to v6.1.6.0 and stems from improper memory management practices that occur when processing specially crafted image files. The vulnerability manifests when the application fails to properly handle memory deallocation, creating opportunities for malicious code execution and information disclosure. The flaw exists in the software's handling of image file parsing operations where memory allocated for simulator components is freed but subsequently referenced, leading to unpredictable behavior and potential exploitation.
The technical nature of this vulnerability aligns with CWE-416, which specifically addresses use after free conditions in software applications. When a user opens a maliciously crafted image file, the graphic editor's simulator module processes the file content and encounters a scenario where memory is freed but later accessed, creating a classic use after free attack vector. This memory management error allows attackers to manipulate the application's execution flow by controlling the freed memory location, potentially leading to arbitrary code execution within the context of the running process. The vulnerability's exploitation requires user interaction through opening a specific file, making it a client-side attack vector that relies on social engineering or targeted delivery methods.
From an operational perspective, this vulnerability poses significant risks to organizations using V-SFT graphic editor software, particularly in environments where users may encounter untrusted image files. The potential impact includes unauthorized code execution, information disclosure, and possible privilege escalation depending on the execution context. Attackers could leverage this flaw to install malware, exfiltrate sensitive data, or establish persistent access to compromised systems. The vulnerability's exploitation requires minimal user interaction beyond opening the malicious file, making it particularly dangerous in phishing campaigns or supply chain attacks. Organizations relying on this software for graphic design and simulation tasks face elevated risk of compromise, especially in environments with less stringent security controls or where users have elevated privileges.
Mitigation strategies for CVE-2022-29522 primarily focus on immediate software updates to versions v6.1.6.0 or later, which contain the necessary memory management fixes. System administrators should implement comprehensive patch management processes to ensure all instances of V-SFT are updated promptly. Additional protective measures include user education regarding the dangers of opening untrusted image files, implementation of application whitelisting policies, and network-based controls to prevent access to known malicious domains. The vulnerability's classification under ATT&CK technique T1203 (Exploitation for Client Execution) indicates that traditional security controls such as email filtering and endpoint protection may provide some defense, though the use after free nature requires proper memory management fixes. Organizations should also consider network segmentation and monitoring to detect potential exploitation attempts, as the vulnerability may generate unusual network traffic patterns during exploitation attempts.