CVE-2022-47664 : Exploit Details and Defense Strategies

A buffer overflow vulnerability has been identified in Libde265 1.0.9, specifically in the 'ff_hevc_put_hevc_qpel_pixels_8_sse' function.

Understanding CVE-2022-47664

This CVE involves a vulnerability in Libde265 1.0.9 that could be exploited through a buffer overflow in a specific function.

What is CVE-2022-47664?

CVE-2022-47664 is a security flaw found in Libde265 1.0.9, which allows attackers to trigger a buffer overflow by manipulating the 'ff_hevc_put_hevc_qpel_pixels_8_sse' function.

The Impact of CVE-2022-47664

This vulnerability can potentially lead to arbitrary code execution or denial of service (DoS) attacks by malicious actors exploiting the buffer overflow in Libde265 1.0.9.

Technical Details of CVE-2022-47664

The technical aspects of the CVE including vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability resides in the 'ff_hevc_put_hevc_qpel_pixels_8_sse' function of Libde265 1.0.9, allowing an attacker to trigger a buffer overflow.

Affected Systems and Versions

All instances of Libde265 1.0.9 are affected by this vulnerability.

Exploitation Mechanism

By crafting a malicious payload to exploit the buffer overflow in the 'ff_hevc_put_hevc_qpel_pixels_8_sse' function, attackers can execute arbitrary code or launch DoS attacks.

Mitigation and Prevention

Learn how to protect your systems from CVE-2022-47664 and prevent potential exploitation.

Immediate Steps to Take

Immediately update Libde265 to a patched version or apply relevant security configurations to mitigate the risk of exploitation.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and stay informed about security updates for all components in your environment.

Patching and Updates

Stay vigilant for security advisories from Libde265 and apply patches promptly to address known vulnerabilities.