CVE-2019-19795 : What You Need to Know

samurai 0.7 is vulnerable to a heap-based buffer overflow in the canonpath function, which can be exploited by a maliciously crafted build file.

Understanding CVE-2019-19795

What is CVE-2019-19795?

CVE-2019-19795 is a vulnerability found in samurai 0.7, specifically in the util.c file, where a heap-based buffer overflow exists in the canonpath function. This vulnerability can be triggered by a specially crafted build file.

The Impact of CVE-2019-19795

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-2019-19795

Vulnerability Description

The vulnerability in samurai 0.7 exists in the canonpath function within the util.c file, allowing for a heap-based buffer overflow when processing a malicious build file.

Affected Systems and Versions

Affected Version: samurai 0.7
Other versions may also be affected, but specific details are not provided.

Exploitation Mechanism

The vulnerability can be exploited by an attacker by crafting a malicious build file that triggers the heap-based buffer overflow in the canonpath function.

Mitigation and Prevention

Immediate Steps to Take

Update to a patched version of samurai to mitigate the vulnerability.
Avoid running samurai with untrusted build files.

Long-Term Security Practices

Regularly update software to the latest versions to address known vulnerabilities.
Implement code reviews and security testing in the software development process.

Patching and Updates

Apply patches provided by the software vendor to fix the vulnerability in samurai 0.7.