CVE-2021-38697 in SARABAN for INFOMA
Summary
by MITRE • 01/18/2022
SoftVibe SARABAN for INFOMA 1.1 allows Unauthenticated unrestricted File Upload, that allows attackers to upload files with any file extension which can lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 01/20/2022
The vulnerability identified as CVE-2021-38697 affects SoftVibe SARABAN for INFOMA version 1.1, representing a critical security flaw that undermines the application's file handling mechanisms. This issue stems from insufficient input validation and access control measures within the file upload functionality, creating a pathway for malicious actors to bypass authentication requirements and upload arbitrary files to the target system. The vulnerability specifically resides in the application's inability to properly restrict file types and validate upload requests, allowing attackers to submit files without proper authorization.
The technical implementation of this flaw demonstrates a classic case of insecure file upload handling where the application fails to enforce proper file extension validation and content verification mechanisms. Attackers can exploit this weakness by uploading malicious files with various extensions that would typically be restricted, enabling them to execute arbitrary code on the target server. The vulnerability's impact extends beyond simple unauthorized file placement as it creates a persistent threat vector that can be leveraged for further compromise of the affected system and its underlying infrastructure.
From an operational perspective, this vulnerability presents a severe risk to organizations utilizing SoftVibe SARABAN for INFOMA 1.1, as it provides attackers with a direct method for achieving remote code execution without requiring valid credentials. The lack of authentication enforcement means that any external party can potentially exploit this flaw, making it particularly dangerous in environments where the application is exposed to untrusted networks. The implications include potential data breaches, system compromise, and unauthorized access to sensitive information processed by the application.
The vulnerability aligns with CWE-434, which describes the weakness of unrestricted upload of file with dangerous type, and maps to multiple ATT&CK techniques including T1190 for Exploit Public-Facing Application and T1059 for Command and Scripting Interpreter. Security professionals should prioritize immediate remediation efforts including implementing strict file type validation, enforcing authentication controls, and restricting file upload capabilities to only trusted users. Additionally, organizations should consider implementing web application firewalls, content validation mechanisms, and regular security assessments to prevent exploitation of similar vulnerabilities. The remediation process must include comprehensive code review to ensure proper input validation and access control implementation across all file handling functionalities.