CVE-2018-11643 in PowerMedia XMS
Summary
by MITRE
SQL injection vulnerability in the administrative console in Dialogic PowerMedia XMS through 3.5 allows remote authenticated users to execute arbitrary SQL commands via the filterPattern parameter.
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Analysis
by VulDB Data Team • 02/24/2020
The vulnerability identified as CVE-2018-11643 represents a critical sql injection flaw within the administrative console of Dialogic PowerMedia XMS version 3.5 and earlier. This vulnerability specifically affects the filterPattern parameter which is used within the administrative interface, creating a pathway for malicious actors to manipulate database queries through crafted input. The flaw exists in the application's handling of user-supplied data within the administrative console context, where input validation and sanitization mechanisms are insufficient to prevent malicious sql code execution. This vulnerability is particularly concerning because it requires only authenticated access, meaning that an attacker who has already gained legitimate administrative credentials can exploit this weakness to escalate their privileges or gain unauthorized access to sensitive data within the database. The vulnerability is classified under cwe-89 which specifically addresses sql injection flaws in software applications where user-controllable data is directly incorporated into sql commands without proper sanitization.
The technical exploitation of this vulnerability occurs when an authenticated user submits malicious input through the filterPattern parameter in the administrative console. The application fails to properly escape or parameterize the input before incorporating it into sql queries, allowing attackers to inject arbitrary sql commands that are then executed by the database engine. This type of injection can potentially lead to complete database compromise, data exfiltration, privilege escalation, or even system compromise if the database server has elevated privileges. The vulnerability is particularly dangerous in enterprise environments where the administrative console often has access to sensitive operational data, user information, and system configuration details. The attack vector is remote and authenticated, meaning that an attacker must first obtain valid administrative credentials, but once achieved, they can leverage this vulnerability to execute commands with the privileges of the administrative account.
The operational impact of this vulnerability extends beyond simple data theft or corruption. Organizations using Dialogic PowerMedia XMS versions 3.5 or earlier face significant risks including unauthorized access to sensitive communications data, potential disruption of voice and video services, and exposure of system configuration details that could aid further attacks. The administrative console typically contains critical system information and controls that, when compromised, can lead to complete system takeover. This vulnerability can also be leveraged as a stepping stone for lateral movement within networks where the system is integrated, potentially allowing attackers to escalate their access to other systems connected to the same infrastructure. The impact is particularly severe in telecommunications environments where the system manages critical communication infrastructure and where unauthorized access could lead to service disruption or interception of sensitive communications.
Organizations should immediately implement mitigations including updating to Dialogic PowerMedia XMS version 3.6 or later, which contains the necessary patches to address this vulnerability. Additionally, implementing proper input validation and sanitization measures within the administrative console can help prevent similar issues in other applications. Network segmentation and least privilege access controls should be enforced to limit the impact if an attacker does gain access to administrative credentials. Security monitoring should be enhanced to detect unusual patterns in administrative console usage, particularly around parameter manipulation. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications and systems. The vulnerability also highlights the importance of following secure coding practices and implementing proper sql injection prevention techniques such as parameterized queries and input validation frameworks as recommended by owasp and nist guidelines. Organizations should also consider implementing web application firewalls and database activity monitoring solutions to detect and prevent exploitation attempts.