CVE-2020-18395 : What You Need to Know

A NULL-pointer deference issue in GNU_gama::set() in ellipsoid.h in Gama 2.04 can result in a denial of service (DOS) through crafted inputs.

Understanding CVE-2020-18395

This CVE involves a vulnerability in Gama 2.04 that can lead to a denial of service attack.

What is CVE-2020-18395?

The vulnerability is a NULL-pointer deference issue in GNU_gama::set() in ellipsoid.h in Gama 2.04, potentially resulting in a DOS attack due to segment faults from malicious inputs.

The Impact of CVE-2020-18395

Exploitation of this vulnerability can lead to a denial of service condition, causing system instability and potential crashes.

Technical Details of CVE-2020-18395

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability lies in GNU_gama::set() in ellipsoid.h in Gama 2.04, allowing attackers to trigger segment faults through specially crafted inputs.

Affected Systems and Versions

Affected Product: n/a
Affected Vendor: n/a
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by providing malicious inputs to GNU_gama::set(), triggering NULL-pointer dereference and leading to a denial of service.

Mitigation and Prevention

Protecting systems from CVE-2020-18395 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement input validation mechanisms to prevent malicious inputs.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Conduct security assessments and audits to identify and mitigate potential risks.

Patching and Updates

Stay informed about security advisories related to Gama 2.04.
Apply patches and updates provided by the vendor to address the vulnerability.