CVE-2019-14663 : Security Advisory and Response

Brandy version 1.20.1 is affected by a stack-based buffer overflow vulnerability in the fileio_openin function in the fileio.c file. This vulnerability can be exploited by specially crafted BASIC source code.

Understanding CVE-2019-14663

This CVE entry describes a specific vulnerability in the Brandy software.

What is CVE-2019-14663?

The CVE-2019-14663 vulnerability is a stack-based buffer overflow in Brandy version 1.20.1, triggered by specially crafted BASIC source code.

The Impact of CVE-2019-14663

This vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2019-14663

This section provides technical details about the vulnerability.

Vulnerability Description

The stack-based buffer overflow occurs in the fileio_openin function in the fileio.c file of Brandy version 1.20.1 when processing malicious BASIC source code.

Affected Systems and Versions

Affected Version: Brandy 1.20.1

Exploitation Mechanism

The vulnerability is triggered by specially crafted BASIC source code that exploits the fileio_openin function, leading to a stack-based buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2019-14663 requires immediate action and long-term security practices.

Immediate Steps to Take

Update Brandy software to a non-vulnerable version if available.
Avoid running untrusted BASIC source code on systems with the affected version.

Long-Term Security Practices

Regularly update software and apply security patches.
Implement code reviews and security testing to identify and mitigate vulnerabilities.

Patching and Updates

Check for patches or updates released by the Brandy software provider to address the stack-based buffer overflow vulnerability.