CVE-2017-8848 in Disk
Summary
by MITRE
Allen Disk 1.6 has CSRF in setpass.php with an impact of changing a password.
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Analysis
by VulDB Data Team • 12/06/2022
The vulnerability identified as CVE-2017-8848 affects Allen Disk version 1.6 and represents a critical cross-site request forgery flaw located within the setpass.php script. This vulnerability enables malicious actors to manipulate password settings without proper authorization, creating a significant security risk for users of the application. The flaw stems from inadequate validation of request origins and lack of proper anti-CSRF token implementation, allowing attackers to execute unauthorized password changes through crafted malicious requests.
The technical implementation of this vulnerability resides in the setpass.php endpoint which fails to verify the authenticity of password change requests. According to CWE-352 Cross-Site Request Forgery, the vulnerability occurs when a web application fails to validate that requests originate from legitimate sources. In this case, the application does not enforce proper session validation or anti-CSRF token mechanisms, making it susceptible to exploitation. The flaw operates at the application layer where user authentication controls are bypassed through manipulation of HTTP requests.
The operational impact of CVE-2017-8848 extends beyond simple unauthorized access, as it directly compromises user account integrity and system security posture. An attacker could leverage this vulnerability to gain persistent access to user accounts by changing passwords, effectively locking out legitimate users while establishing unauthorized access. This represents a significant risk for any organization relying on the application for data storage or file management services. The vulnerability aligns with ATT&CK technique T1078 Valid Accounts, where adversaries establish persistence through compromised credentials, and T1566 Impersonation, where attackers assume the identity of legitimate users.
Mitigation strategies for this vulnerability should focus on implementing robust anti-CSRF protection mechanisms including the use of unique tokens for each session, proper origin validation, and implementing the SameSite cookie attributes. Organizations should also ensure that password change operations require multi-factor authentication and proper session management controls. The remediation approach must address the root cause by enforcing proper input validation and authentication checks within the setpass.php script. Additionally, implementing web application firewalls and regular security assessments can help detect and prevent exploitation attempts targeting similar vulnerabilities in the application's authentication framework.