CVE-2023-49465 : What You Need to Know

This article provides details about CVE-2023-49465, a heap-buffer-overflow vulnerability in Libde265 v1.0.14. Learn about the impact, technical details, and mitigation strategies related to this CVE.

Understanding CVE-2023-49465

CVE-2023-49465 is a heap-buffer-overflow vulnerability discovered in the derive_spatial_luma_vector_prediction function at motion.cc in Libde265 v1.0.14.

What is CVE-2023-49465?

CVE-2023-49465 is a security flaw that allows attackers to trigger a buffer overflow by exploiting the derive_spatial_luma_vector_prediction function in Libde265 v1.0.14, potentially leading to arbitrary code execution or denial of service.

The Impact of CVE-2023-49465

The vulnerability in Libde265 v1.0.14 could be exploited by remote attackers to execute arbitrary code or cause a denial of service condition on the affected system, posing a significant security risk.

Technical Details of CVE-2023-49465

This section outlines the vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-49465.

Vulnerability Description

The heap-buffer-overflow vulnerability in Libde265 v1.0.14 allows attackers to overwrite the buffer, potentially leading to the execution of malicious code or a system crash.

Affected Systems and Versions

All versions of Libde265 v1.0.14 are affected by CVE-2023-49465. Users of this version should take immediate action to address this security issue.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by crafting a malicious input and sending it to the derive_spatial_luma_vector_prediction function, triggering the buffer overflow and gaining control over the affected system.

Mitigation and Prevention

To protect systems from CVE-2023-49465, users should follow immediate steps and implement long-term security practices to ensure the safety of their environment.

Immediate Steps to Take

Ensure to apply the latest security update provided by the Libde265 project to patch the vulnerability and prevent exploitation by malicious actors.

Long-Term Security Practices

Regularly monitor for security updates and patches released by the software vendor, maintain an effective firewall, and conduct security assessments to identify and mitigate potential vulnerabilities.

Patching and Updates

Stay informed about security advisories related to Libde265 and promptly apply patches and updates to address known vulnerabilities and enhance the overall security posture of the system.