CVE-2015-5645 in MATCHA SNS
Summary
by MITRE
ICZ MATCHA SNS before 1.3.7 allows remote authenticated users to obtain administrative privileges via unspecified vectors.
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Analysis
by VulDB Data Team • 01/18/2018
The CVE-2015-5645 vulnerability affects ICZ MATCHA SNS versions prior to 1.3.7, representing a critical privilege escalation flaw that enables authenticated remote attackers to gain administrative access to the system. This vulnerability exploits weaknesses in the application's authorization mechanisms, allowing malicious users who have already established legitimate authentication to escalate their privileges beyond their intended access levels. The unspecified vectors suggest that the flaw could potentially be triggered through multiple attack pathways within the application's permission handling or role-based access control systems.
The technical implementation of this vulnerability likely resides in improper validation of user roles or session management within the SNS platform. Attackers who can authenticate to the system with standard user credentials may exploit this flaw to manipulate their session tokens or access control lists, effectively elevating their privileges to administrative levels. This type of vulnerability falls under the CWE-276 category of insecure default permissions, where the application fails to properly enforce access controls even after successful authentication. The flaw demonstrates a fundamental breakdown in the principle of least privilege, where authenticated users should not be able to assume administrative roles without proper authorization checks.
From an operational perspective, this vulnerability creates severe security implications for organizations using ICZ MATCHA SNS platforms. Once exploited, attackers can gain full administrative control over the social networking system, potentially leading to complete data compromise, unauthorized user management, content manipulation, and system configuration changes. The remote nature of the attack means that exploitation can occur from anywhere on the network without requiring physical access to the system. This vulnerability directly maps to several ATT&CK techniques including privilege escalation and persistence mechanisms, as attackers can establish long-term administrative access to compromise the entire platform.
Organizations affected by this vulnerability should immediately implement the vendor-provided patch for ICZ MATCHA SNS version 1.3.7 or later, which addresses the underlying authorization flaws. System administrators should conduct comprehensive audits of user roles and permissions to identify any potential exploitation attempts that may have already occurred. Additional mitigations include implementing network segmentation to limit access to the SNS platform, enforcing multi-factor authentication for all users, and monitoring for unusual privilege escalation activities. Security teams should also review and strengthen their access control policies and ensure that proper role-based access controls are implemented throughout the application to prevent similar vulnerabilities from emerging in other components of the system.