CVE-2023-49993 : Security Advisory and Response

Espeak-ng 1.52-dev was discovered to contain a Buffer Overflow vulnerability via the function ReadClause at readclause.c.

Understanding CVE-2023-49993

Espeak-ng 1.52-dev has a critical vulnerability that can lead to a Buffer Overflow when processing input in the ReadClause function.

What is CVE-2023-49993?

CVE-2023-49993 is a Buffer Overflow vulnerability found in Espeak-ng 1.52-dev, specifically in the ReadClause function at readclause.c.

The Impact of CVE-2023-49993

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

Technical Details of CVE-2023-49993

The technical details of CVE-2023-49993 include:

Vulnerability Description

The vulnerability arises due to improper input validation, allowing an attacker to overwrite the buffer and execute malicious code.

Affected Systems and Versions

All versions of Espeak-ng 1.52-dev are affected by this vulnerability.

Exploitation Mechanism

An attacker can craft malicious input data to trigger the Buffer Overflow in the ReadClause function, gaining unauthorized access or causing a DoS condition.

Mitigation and Prevention

It is crucial to take immediate steps to address and mitigate the CVE-2023-49993 vulnerability.

Immediate Steps to Take

Users should avoid processing untrusted input with Espeak-ng 1.52-dev.
Apply security patches provided by the vendor to fix the vulnerability.

Long-Term Security Practices

Implement input validation and boundary checks in software development to prevent Buffer Overflow vulnerabilities.
Regularly update and patch all software components to address known security issues.

Patching and Updates

Ensure that the latest patches and updates are applied to Espeak-ng 1.52-dev to eliminate the Buffer Overflow vulnerability.