Platform
oracle
Component
navicat-for-oracle
Fixed in
12.1.16
CVE-2019-25653 is a denial-of-service (DoS) vulnerability affecting Navicat for Oracle. Specifically, supplying an excessively long string in the password field during Oracle connection configuration can crash the application. Navicat for Oracle version 12.1.15 is known to be affected. No official patch is currently available.
CVE-2019-25653 affects Navicat for Oracle version 12.1.15, presenting a denial-of-service (DoS) vulnerability. A local attacker can crash the application by providing an excessively long string in the password field during Oracle connection configuration. The vulnerability stems from inadequate input validation of the password length, allowing a buffer overflow to cause the program to fail. This type of attack can disrupt database administration operations and impact system availability. While the impact is limited to a local attack, service interruption can be significant for database administrators using Navicat. Successful exploitation requires local access to the system where Navicat is running.
Exploitation of CVE-2019-25653 is relatively straightforward. A local attacker can simply copy and paste a very long string (approximately 550 repeated characters) into the password field during Oracle connection configuration in Navicat for Oracle 12.1.15. No prior authentication is required to perform this attack, as it runs locally. The lack of password length validation is the root cause of the vulnerability. The attacker does not need any specialized knowledge to exploit this vulnerability, which increases the risk of opportunistic attacks. The ease of exploitation makes this vulnerability a concern for database administrators.
Exploit Status
EPSS
0.02% (3% percentile)
CISA SSVC
CVSS Vector
Currently, there is no official fix provided by the developer for CVE-2019-25653. The primary mitigation is to upgrade to a more recent version of Navicat for Oracle that addresses this vulnerability, if available. In the meantime, it is recommended to restrict local access to the machine where Navicat runs, limiting access to authorized users only. Implementing robust security controls, such as multi-factor authentication, can help prevent unauthorized access. Monitoring system activity for unusual behavior can also assist in detecting and responding to potential attacks. Consider using alternatives to Navicat for Oracle if security is a primary concern and no update is available in the short term.
Actualizar Navicat for Oracle a una versión posterior a la 12.1.15 para corregir la vulnerabilidad de denegación de servicio. Consultar el sitio web del proveedor para obtener la última versión disponible.
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Version 12.1.15 is the confirmed vulnerable version. Other older versions may also be susceptible.
No, this vulnerability requires local access to the system where Navicat is running.
Restricting local access to the machine where Navicat runs and monitoring system activity are temporary measures.
If you are using Navicat for Oracle version 12.1.15, your system is vulnerable.
Disconnect the system from the network, investigate system activity, and consider reinstalling Navicat from a trusted source.
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