CVE-2020-37188
7.5Nsasoft · Nsauditor SpotOutlook
SpotOutlook 1.2.6 is vulnerable to a buffer overflow in the registration name input field, which allows an attacker to cause a denial of service by crashing the application.
Executive summary
A buffer overflow vulnerability in Nsasoft Nsauditor SpotOutlook version 1.2.6 allows an attacker to crash the application, resulting in a denial of service.
Vulnerability
The application fails to perform adequate bounds checking on the registration name input field. An attacker can supply an overly long string of characters to this field, triggering a classic buffer overflow (CWE-120) that causes the application to become unresponsive.
Business impact
Successful exploitation of this vulnerability results in a denial of service for the affected application. While the CVSS score of 7.5 reflects a significant impact on system availability, the risk is primarily localized to the individual workstation where the software is running. Frequent application crashes may result in loss of productivity and require administrative intervention to restart the service.
Remediation
Immediate Action: There is no vendor-provided patch for this legacy software; users should evaluate the necessity of the application and consider uninstalling it if it is no longer required for business operations.
Proactive Monitoring: Monitor system logs for repeated application crash events or unexpected service terminations associated with Nsauditor products.
Compensating Controls: Ensure that endpoint protection software is active to monitor for abnormal process behavior, and restrict software installation permissions to prevent unauthorized users from interacting with vulnerable applications.
Exploitation status
Public Exploit Available: Yes, a proof of concept exists via an ExploitDB entry.
Analyst recommendation
Given that this vulnerability allows for a straightforward denial of service and a public proof of concept is available, the risk to operational stability is credible. Organizations should audit their environments for the presence of Nsasoft Nsauditor SpotOutlook version 1.2.6 and prioritize the removal of this software, as it is unlikely to receive official security patches.
Sources
Originally found and disclosed by Ismail Tasdelen, per the CVE Program record.
- ExploitDB-47906 Exploit / PoC
- Vendor Homepage
- VulnCheck Advisory: SpotOutlook 1.2.6 - 'Name' Denial of Service Third-party advisory