CVE-2020-7849 in CURIX
Summary
by MITRE • 02/17/2021
A vulnerability of uPrism.io CURIX(Video conferecing solution) could allow an unauthenticated attacker to execute arbitrary code. This vulnerability is due to insufficient input(server domain) validation. An attacker could exploit this vulnerability through crafted URL.
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Analysis
by VulDB Data Team • 03/02/2021
The vulnerability identified as CVE-2020-7849 affects uPrism.io CURIX, a video conferencing solution that has been widely deployed in enterprise environments for collaborative meetings and communications. This critical security flaw represents a significant risk to organizations relying on the platform for their video conferencing infrastructure. The vulnerability stems from inadequate validation mechanisms within the server domain input processing, creating a pathway for malicious actors to manipulate the system through carefully crafted URL parameters. The attack vector specifically targets the input validation process that occurs when the system processes server domain information, which is a fundamental component of the platform's configuration and communication protocols.
The technical exploitation of this vulnerability occurs through the manipulation of URL parameters that are processed by the CURIX platform's server domain validation logic. When an attacker crafts a malicious URL containing specially formatted server domain information, the insufficient validation allows arbitrary code execution to occur without requiring authentication credentials. This type of vulnerability aligns with CWE-20, which describes improper input validation as a common weakness that enables attackers to inject malicious data into applications. The lack of proper sanitization and validation of user-supplied input creates a direct path for remote code execution, potentially allowing attackers to gain full control over the affected system.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with unrestricted access to the underlying infrastructure that supports video conferencing services. Organizations utilizing uPrism.io CURIX may face severe consequences including data breaches, system compromise, and potential disruption of critical communication services. The unauthenticated nature of the attack means that threat actors can exploit this vulnerability without requiring legitimate credentials, making it particularly dangerous for organizations with limited security monitoring capabilities. The vulnerability's presence in a video conferencing platform also raises concerns about potential surveillance capabilities and unauthorized access to sensitive meeting content, especially in environments where the platform handles confidential business communications or personal data.
Mitigation strategies for CVE-2020-7849 should prioritize immediate patch deployment from the vendor, as this represents a critical vulnerability that requires urgent attention. Organizations should implement network-level restrictions to limit access to the affected platform and monitor for suspicious URL patterns that may indicate exploitation attempts. The implementation of web application firewalls and input validation controls can provide additional protection layers while waiting for official patches. Security teams should also conduct thorough vulnerability assessments of their video conferencing infrastructure and consider segmenting network access to limit potential damage from successful exploitation attempts. This vulnerability demonstrates the importance of robust input validation practices and aligns with ATT&CK technique T1059, which covers execution through command and scripting interpreters, as the arbitrary code execution capability represents a direct pathway for attackers to establish persistent access to affected systems.