CVE-2024-1193 in Navicat
Summary
by MITRE • 02/02/2024
A vulnerability was found in Navicat 12.0.29. It has been rated as problematic. This issue affects some unknown processing of the component MySQL Conecction Handler. The manipulation leads to denial of service. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252683. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 02/24/2024
The vulnerability identified as CVE-2024-1193 represents a significant security flaw within Navicat version 12.0.29, specifically within its MySQL Connection Handler component. This issue has been classified as problematic by security researchers and poses a substantial risk to systems that rely on this database management tool. The vulnerability manifests as a denial of service condition that can be exploited through local manipulation of the affected processing component. The fact that local attack requirements are necessary does not diminish the severity of the vulnerability, as local privilege escalation or initial compromise often serves as a critical first step in broader attack campaigns. The public disclosure of this exploit means that malicious actors have access to the technical details needed to reproduce the vulnerability, creating an immediate risk for affected systems.
The technical implementation of this vulnerability lies within the MySQL Connection Handler module of Navicat, which is responsible for managing database connections and communication protocols. When processing certain inputs or connection parameters, the handler fails to properly validate or handle specific conditions, leading to a denial of service state. This type of vulnerability typically involves improper error handling, buffer overflows, or resource management issues that cause the application to crash or become unresponsive. The vulnerability's classification as a local attack requirement suggests that exploitation involves manipulating the application's internal processes or connection handling logic from within the system rather than through network-based attacks. This characteristic places the vulnerability in the category of privilege escalation risks where local access can be leveraged to cause system-wide disruption.
The operational impact of CVE-2024-1193 extends beyond simple service interruption, as denial of service conditions in database management tools can severely disrupt business operations and data accessibility. Organizations relying on Navicat for database administration may experience complete service outages when this vulnerability is exploited, potentially affecting multiple database connections simultaneously. The vulnerability's presence in a widely-used database management tool means that the potential impact could be extensive across various enterprise environments where Navicat is deployed for database administration tasks. The lack of vendor response to early disclosure attempts compounds the risk, as users may not receive timely patches or mitigations to address the issue. This scenario represents a critical gap in the security support lifecycle, where vendors fail to acknowledge or respond to legitimate security concerns, leaving users vulnerable to potential exploitation.
Security professionals should consider this vulnerability in relation to established frameworks such as CWE (Common Weakness Enumeration) and ATT&CK (Attack Tree Analysis) methodologies for comprehensive threat assessment. The vulnerability's characteristics align with CWE-400 weakness categories related to resource management and error handling, while the local exploitation requirement fits within ATT&CK's privilege escalation and defense evasion techniques. Organizations should implement immediate mitigations including restricting local access to Navicat installations, monitoring for suspicious connection handling patterns, and considering temporary workarounds such as using alternative database management tools. The public disclosure status of this vulnerability necessitates proactive security measures, as the window for exploitation is already open, and threat actors may be actively targeting affected systems. Given the vendor's lack of response, organizations should also consider developing internal patches or workarounds while pursuing alternative security solutions to protect their database environments from potential exploitation.